19645392

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1657}}^1$

素因数の和:1700

約数の個数: 80

約数和(自身を含む): 57565760

約数和(自身を除く): 37920368

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 76, 78, 104, 114, 152, 156, 208, 228, 247, 304, 312, 456, 494, 624, 741, 912, 988, 1482, 1657, 1976, 2964, 3314, 3952, 4971, 5928, 6628, 9942, 11856, 13256, 19884, 21541, 26512, 31483, 39768, 43082, 62966, 64623, 79536, 86164, 94449, 125932, 129246, 172328, 188898, 251864, 258492, 344656, 377796, 409279, 503728, 516984, 755592, 818558, 1033968, 1227837, 1511184, 1637116, 2455674, 3274232, 4911348, 6548464, 9822696, 19645392]

約数ペア:

[(1, 19645392), (2, 9822696), (3, 6548464), (4, 4911348), (6, 3274232), (8, 2455674), (12, 1637116), (13, 1511184), (16, 1227837), (19, 1033968), (24, 818558), (26, 755592), (38, 516984), (39, 503728), (48, 409279), (52, 377796), (57, 344656), (76, 258492), (78, 251864), (104, 188898), (114, 172328), (152, 129246), (156, 125932), (208, 94449), (228, 86164), (247, 79536), (304, 64623), (312, 62966), (456, 43082), (494, 39768), (624, 31483), (741, 26512), (912, 21541), (988, 19884), (1482, 13256), (1657, 11856), (1976, 9942), (2964, 6628), (3314, 5928), (3952, 4971)]