18058980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{613}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 50750784

約数和(自身を除く): 32691804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 491, 613, 982, 1226, 1473, 1839, 1964, 2452, 2455, 2946, 3065, 3678, 4910, 5892, 6130, 7356, 7365, 9195, 9820, 12260, 14730, 18390, 29460, 36780, 300983, 601966, 902949, 1203932, 1504915, 1805898, 3009830, 3611796, 4514745, 6019660, 9029490, 18058980]

約数ペア:

[(1, 18058980), (2, 9029490), (3, 6019660), (4, 4514745), (5, 3611796), (6, 3009830), (10, 1805898), (12, 1504915), (15, 1203932), (20, 902949), (30, 601966), (60, 300983), (491, 36780), (613, 29460), (982, 18390), (1226, 14730), (1473, 12260), (1839, 9820), (1964, 9195), (2452, 7365), (2455, 7356), (2946, 6130), (3065, 5892), (3678, 4910)]