19424080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{983}}^1$

素因数の和:1028

約数の個数: 80

約数和(自身を含む): 51246720

約数和(自身を除く): 31822640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 983, 988, 1040, 1235, 1520, 1966, 1976, 2470, 3932, 3952, 4915, 4940, 7864, 9830, 9880, 12779, 15728, 18677, 19660, 19760, 25558, 37354, 39320, 51116, 63895, 74708, 78640, 93385, 102232, 127790, 149416, 186770, 204464, 242801, 255580, 298832, 373540, 485602, 511160, 747080, 971204, 1022320, 1214005, 1494160, 1942408, 2428010, 3884816, 4856020, 9712040, 19424080]

約数ペア:

[(1, 19424080), (2, 9712040), (4, 4856020), (5, 3884816), (8, 2428010), (10, 1942408), (13, 1494160), (16, 1214005), (19, 1022320), (20, 971204), (26, 747080), (38, 511160), (40, 485602), (52, 373540), (65, 298832), (76, 255580), (80, 242801), (95, 204464), (104, 186770), (130, 149416), (152, 127790), (190, 102232), (208, 93385), (247, 78640), (260, 74708), (304, 63895), (380, 51116), (494, 39320), (520, 37354), (760, 25558), (983, 19760), (988, 19660), (1040, 18677), (1235, 15728), (1520, 12779), (1966, 9880), (1976, 9830), (2470, 7864), (3932, 4940), (3952, 4915)]