18548920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35671}}^1$

素因数の和:35695

約数の個数: 32

約数和(自身を含む): 44946720

約数和(自身を除く): 26397800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 35671, 71342, 142684, 178355, 285368, 356710, 463723, 713420, 927446, 1426840, 1854892, 2318615, 3709784, 4637230, 9274460, 18548920]

約数ペア:

[(1, 18548920), (2, 9274460), (4, 4637230), (5, 3709784), (8, 2318615), (10, 1854892), (13, 1426840), (20, 927446), (26, 713420), (40, 463723), (52, 356710), (65, 285368), (104, 178355), (130, 142684), (260, 71342), (520, 35671)]