19862808

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{863}}^1$

素因数の和:1016

約数の個数: 64

約数和(自身を含む): 57231360

約数和(自身を除く): 37368552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 137, 168, 274, 411, 548, 822, 863, 959, 1096, 1644, 1726, 1918, 2589, 2877, 3288, 3452, 3836, 5178, 5754, 6041, 6904, 7672, 10356, 11508, 12082, 18123, 20712, 23016, 24164, 36246, 48328, 72492, 118231, 144984, 236462, 354693, 472924, 709386, 827617, 945848, 1418772, 1655234, 2482851, 2837544, 3310468, 4965702, 6620936, 9931404, 19862808]

約数ペア:

[(1, 19862808), (2, 9931404), (3, 6620936), (4, 4965702), (6, 3310468), (7, 2837544), (8, 2482851), (12, 1655234), (14, 1418772), (21, 945848), (24, 827617), (28, 709386), (42, 472924), (56, 354693), (84, 236462), (137, 144984), (168, 118231), (274, 72492), (411, 48328), (548, 36246), (822, 24164), (863, 23016), (959, 20712), (1096, 18123), (1644, 12082), (1726, 11508), (1918, 10356), (2589, 7672), (2877, 6904), (3288, 6041), (3452, 5754), (3836, 5178)]