19638528

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 64557696

約数和(自身を除く): 44919168

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 64, 78, 84, 91, 96, 104, 112, 128, 156, 168, 182, 192, 208, 224, 256, 273, 281, 312, 336, 364, 384, 416, 448, 546, 562, 624, 672, 728, 768, 832, 843, 896, 1092, 1124, 1248, 1344, 1456, 1664, 1686, 1792, 1967, 2184, 2248, 2496, 2688, 2912, 3328, 3372, 3653, 3934, 4368, 4496, 4992, 5376, 5824, 5901, 6744, 7306, 7868, 8736, 8992, 9984, 10959, 11648, 11802, 13488, 14612, 15736, 17472, 17984, 21918, 23296, 23604, 25571, 26976, 29224, 31472, 34944, 35968, 43836, 47208, 51142, 53952, 58448, 62944, 69888, 71936, 76713, 87672, 94416, 102284, 107904, 116896, 125888, 153426, 175344, 188832, 204568, 215808, 233792, 251776, 306852, 350688, 377664, 409136, 467584, 503552, 613704, 701376, 755328, 818272, 935168, 1227408, 1402752, 1510656, 1636544, 2454816, 2805504, 3273088, 4909632, 6546176, 9819264, 19638528]

約数ペア:

[(1, 19638528), (2, 9819264), (3, 6546176), (4, 4909632), (6, 3273088), (7, 2805504), (8, 2454816), (12, 1636544), (13, 1510656), (14, 1402752), (16, 1227408), (21, 935168), (24, 818272), (26, 755328), (28, 701376), (32, 613704), (39, 503552), (42, 467584), (48, 409136), (52, 377664), (56, 350688), (64, 306852), (78, 251776), (84, 233792), (91, 215808), (96, 204568), (104, 188832), (112, 175344), (128, 153426), (156, 125888), (168, 116896), (182, 107904), (192, 102284), (208, 94416), (224, 87672), (256, 76713), (273, 71936), (281, 69888), (312, 62944), (336, 58448), (364, 53952), (384, 51142), (416, 47208), (448, 43836), (546, 35968), (562, 34944), (624, 31472), (672, 29224), (728, 26976), (768, 25571), (832, 23604), (843, 23296), (896, 21918), (1092, 17984), (1124, 17472), (1248, 15736), (1344, 14612), (1456, 13488), (1664, 11802), (1686, 11648), (1792, 10959), (1967, 9984), (2184, 8992), (2248, 8736), (2496, 7868), (2688, 7306), (2912, 6744), (3328, 5901), (3372, 5824), (3653, 5376), (3934, 4992), (4368, 4496)]