19900296

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:420

約数の個数: 128

約数和(自身を含む): 62832000

約数和(自身を除く): 42931704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 27, 36, 38, 39, 52, 54, 57, 72, 76, 78, 104, 108, 114, 117, 152, 156, 171, 216, 228, 234, 247, 312, 342, 351, 373, 456, 468, 494, 513, 684, 702, 741, 746, 936, 988, 1026, 1119, 1368, 1404, 1482, 1492, 1976, 2052, 2223, 2238, 2808, 2964, 2984, 3357, 4104, 4446, 4476, 4849, 5928, 6669, 6714, 7087, 8892, 8952, 9698, 10071, 13338, 13428, 14174, 14547, 17784, 19396, 20142, 21261, 26676, 26856, 28348, 29094, 38792, 40284, 42522, 43641, 53352, 56696, 58188, 63783, 80568, 85044, 87282, 92131, 116376, 127566, 130923, 170088, 174564, 184262, 191349, 255132, 261846, 276393, 349128, 368524, 382698, 510264, 523692, 552786, 737048, 765396, 829179, 1047384, 1105572, 1530792, 1658358, 2211144, 2487537, 3316716, 4975074, 6633432, 9950148, 19900296]

約数ペア:

[(1, 19900296), (2, 9950148), (3, 6633432), (4, 4975074), (6, 3316716), (8, 2487537), (9, 2211144), (12, 1658358), (13, 1530792), (18, 1105572), (19, 1047384), (24, 829179), (26, 765396), (27, 737048), (36, 552786), (38, 523692), (39, 510264), (52, 382698), (54, 368524), (57, 349128), (72, 276393), (76, 261846), (78, 255132), (104, 191349), (108, 184262), (114, 174564), (117, 170088), (152, 130923), (156, 127566), (171, 116376), (216, 92131), (228, 87282), (234, 85044), (247, 80568), (312, 63783), (342, 58188), (351, 56696), (373, 53352), (456, 43641), (468, 42522), (494, 40284), (513, 38792), (684, 29094), (702, 28348), (741, 26856), (746, 26676), (936, 21261), (988, 20142), (1026, 19396), (1119, 17784), (1368, 14547), (1404, 14174), (1482, 13428), (1492, 13338), (1976, 10071), (2052, 9698), (2223, 8952), (2238, 8892), (2808, 7087), (2964, 6714), (2984, 6669), (3357, 5928), (4104, 4849), (4446, 4476)]