18990744

素因数分解:

$2^3\times 3^1\times {\mathrm{647}}^1\times {\mathrm{1223}}^1$

素因数の和:1879

約数の個数: 32

約数和(自身を含む): 47589120

約数和(自身を除く): 28598376

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 647, 1223, 1294, 1941, 2446, 2588, 3669, 3882, 4892, 5176, 7338, 7764, 9784, 14676, 15528, 29352, 791281, 1582562, 2373843, 3165124, 4747686, 6330248, 9495372, 18990744]

約数ペア:

[(1, 18990744), (2, 9495372), (3, 6330248), (4, 4747686), (6, 3165124), (8, 2373843), (12, 1582562), (24, 791281), (647, 29352), (1223, 15528), (1294, 14676), (1941, 9784), (2446, 7764), (2588, 7338), (3669, 5176), (3882, 4892)]