18902556

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{9907}}^1$

素因数の和:9970

約数の個数: 36

約数和(自身を含む): 48687912

約数和(自身を除く): 29785356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 9907, 19814, 29721, 39628, 59442, 89163, 118884, 178326, 356652, 525071, 1050142, 1575213, 2100284, 3150426, 4725639, 6300852, 9451278, 18902556]

約数ペア:

[(1, 18902556), (2, 9451278), (3, 6300852), (4, 4725639), (6, 3150426), (9, 2100284), (12, 1575213), (18, 1050142), (36, 525071), (53, 356652), (106, 178326), (159, 118884), (212, 89163), (318, 59442), (477, 39628), (636, 29721), (954, 19814), (1908, 9907)]