18834140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{677}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 43055712

約数和(自身を除く): 24221572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 428, 535, 677, 1070, 1354, 1391, 2140, 2708, 2782, 3385, 5564, 6770, 6955, 8801, 13540, 13910, 17602, 27820, 35204, 44005, 72439, 88010, 144878, 176020, 289756, 362195, 724390, 941707, 1448780, 1883414, 3766828, 4708535, 9417070, 18834140]

約数ペア:

[(1, 18834140), (2, 9417070), (4, 4708535), (5, 3766828), (10, 1883414), (13, 1448780), (20, 941707), (26, 724390), (52, 362195), (65, 289756), (107, 176020), (130, 144878), (214, 88010), (260, 72439), (428, 44005), (535, 35204), (677, 27820), (1070, 17602), (1354, 13910), (1391, 13540), (2140, 8801), (2708, 6955), (2782, 6770), (3385, 5564)]