19060620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{647}}^1$

素因数の和:1150

約数の個数: 48

約数和(自身を含む): 53561088

約数和(自身を除く): 34500468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 491, 647, 982, 1294, 1473, 1941, 1964, 2455, 2588, 2946, 3235, 3882, 4910, 5892, 6470, 7365, 7764, 9705, 9820, 12940, 14730, 19410, 29460, 38820, 317677, 635354, 953031, 1270708, 1588385, 1906062, 3176770, 3812124, 4765155, 6353540, 9530310, 19060620]

約数ペア:

[(1, 19060620), (2, 9530310), (3, 6353540), (4, 4765155), (5, 3812124), (6, 3176770), (10, 1906062), (12, 1588385), (15, 1270708), (20, 953031), (30, 635354), (60, 317677), (491, 38820), (647, 29460), (982, 19410), (1294, 14730), (1473, 12940), (1941, 9820), (1964, 9705), (2455, 7764), (2588, 7365), (2946, 6470), (3235, 5892), (3882, 4910)]