18906032

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{811}}^1$

素因数の和:897

約数の個数: 40

約数和(自身を含む): 38664192

約数和(自身を除く): 19758160

約数列:

[1, 2, 4, 8, 16, 31, 47, 62, 94, 124, 188, 248, 376, 496, 752, 811, 1457, 1622, 2914, 3244, 5828, 6488, 11656, 12976, 23312, 25141, 38117, 50282, 76234, 100564, 152468, 201128, 304936, 402256, 609872, 1181627, 2363254, 4726508, 9453016, 18906032]

約数ペア:

[(1, 18906032), (2, 9453016), (4, 4726508), (8, 2363254), (16, 1181627), (31, 609872), (47, 402256), (62, 304936), (94, 201128), (124, 152468), (188, 100564), (248, 76234), (376, 50282), (496, 38117), (752, 25141), (811, 23312), (1457, 12976), (1622, 11656), (2914, 6488), (3244, 5828)]