19997007312

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{1459}}^1$

素因数の和:1713

約数の個数: 160

約数和(自身を含む): 54595870720

約数和(自身を除く): 34598863408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 61, 62, 93, 122, 124, 151, 183, 186, 244, 248, 302, 366, 372, 453, 488, 496, 604, 732, 744, 906, 976, 1208, 1459, 1464, 1488, 1812, 1891, 2416, 2918, 2928, 3624, 3782, 4377, 4681, 5673, 5836, 7248, 7564, 8754, 9211, 9362, 11346, 11672, 14043, 15128, 17508, 18422, 18724, 22692, 23344, 27633, 28086, 30256, 35016, 36844, 37448, 45229, 45384, 55266, 56172, 70032, 73688, 74896, 88999, 90458, 90768, 110532, 112344, 135687, 147376, 177998, 180916, 220309, 221064, 224688, 266997, 271374, 285541, 355996, 361832, 440618, 442128, 533994, 542748, 571082, 660927, 711992, 723664, 856623, 881236, 1067988, 1085496, 1142164, 1321854, 1423984, 1713246, 1762472, 2135976, 2170992, 2284328, 2643708, 2758969, 3426492, 3524944, 4271952, 4568656, 5287416, 5517938, 6829579, 6852984, 8276907, 10574832, 11035876, 13438849, 13659158, 13705968, 16553814, 20488737, 22071752, 26877698, 27318316, 33107628, 40316547, 40977474, 44143504, 53755396, 54636632, 66215256, 80633094, 81954948, 107510792, 109273264, 132430512, 161266188, 163909896, 215021584, 322532376, 327819792, 416604319, 645064752, 833208638, 1249812957, 1666417276, 2499625914, 3332834552, 4999251828, 6665669104, 9998503656, 19997007312]

約数ペア:

[(1, 19997007312), (2, 9998503656), (3, 6665669104), (4, 4999251828), (6, 3332834552), (8, 2499625914), (12, 1666417276), (16, 1249812957), (24, 833208638), (31, 645064752), (48, 416604319), (61, 327819792), (62, 322532376), (93, 215021584), (122, 163909896), (124, 161266188), (151, 132430512), (183, 109273264), (186, 107510792), (244, 81954948), (248, 80633094), (302, 66215256), (366, 54636632), (372, 53755396), (453, 44143504), (488, 40977474), (496, 40316547), (604, 33107628), (732, 27318316), (744, 26877698), (906, 22071752), (976, 20488737), (1208, 16553814), (1459, 13705968), (1464, 13659158), (1488, 13438849), (1812, 11035876), (1891, 10574832), (2416, 8276907), (2918, 6852984), (2928, 6829579), (3624, 5517938), (3782, 5287416), (4377, 4568656), (4681, 4271952), (5673, 3524944), (5836, 3426492), (7248, 2758969), (7564, 2643708), (8754, 2284328), (9211, 2170992), (9362, 2135976), (11346, 1762472), (11672, 1713246), (14043, 1423984), (15128, 1321854), (17508, 1142164), (18422, 1085496), (18724, 1067988), (22692, 881236), (23344, 856623), (27633, 723664), (28086, 711992), (30256, 660927), (35016, 571082), (36844, 542748), (37448, 533994), (45229, 442128), (45384, 440618), (55266, 361832), (56172, 355996), (70032, 285541), (73688, 271374), (74896, 266997), (88999, 224688), (90458, 221064), (90768, 220309), (110532, 180916), (112344, 177998), (135687, 147376)]