18399056

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1669}}^1$

素因数の和:1743

約数の個数: 40

約数和(自身を含む): 39138120

約数和(自身を除く): 20739064

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 1669, 2756, 3338, 5512, 6676, 11024, 13352, 21697, 26704, 43394, 86788, 88457, 173576, 176914, 347152, 353828, 707656, 1149941, 1415312, 2299882, 4599764, 9199528, 18399056]

約数ペア:

[(1, 18399056), (2, 9199528), (4, 4599764), (8, 2299882), (13, 1415312), (16, 1149941), (26, 707656), (52, 353828), (53, 347152), (104, 176914), (106, 173576), (208, 88457), (212, 86788), (424, 43394), (689, 26704), (848, 21697), (1378, 13352), (1669, 11024), (2756, 6676), (3338, 5512)]