18737620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1607}}^1$

素因数の和:1680

約数の個数: 48

約数和(自身を含む): 43763328

約数和(自身を除く): 25025708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 1607, 2332, 2915, 3214, 5830, 6428, 8035, 11660, 16070, 17677, 32140, 35354, 70708, 85171, 88385, 170342, 176770, 340684, 353540, 425855, 851710, 936881, 1703420, 1873762, 3747524, 4684405, 9368810, 18737620]

約数ペア:

[(1, 18737620), (2, 9368810), (4, 4684405), (5, 3747524), (10, 1873762), (11, 1703420), (20, 936881), (22, 851710), (44, 425855), (53, 353540), (55, 340684), (106, 176770), (110, 170342), (212, 88385), (220, 85171), (265, 70708), (530, 35354), (583, 32140), (1060, 17677), (1166, 16070), (1607, 11660), (2332, 8035), (2915, 6428), (3214, 5830)]