19764780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47059}}^1$

素因数の和:47078

約数の個数: 48

約数和(自身を含む): 63248640

約数和(自身を除く): 43483860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 47059, 94118, 141177, 188236, 235295, 282354, 329413, 470590, 564708, 658826, 705885, 941180, 988239, 1317652, 1411770, 1647065, 1976478, 2823540, 3294130, 3952956, 4941195, 6588260, 9882390, 19764780]

約数ペア:

[(1, 19764780), (2, 9882390), (3, 6588260), (4, 4941195), (5, 3952956), (6, 3294130), (7, 2823540), (10, 1976478), (12, 1647065), (14, 1411770), (15, 1317652), (20, 988239), (21, 941180), (28, 705885), (30, 658826), (35, 564708), (42, 470590), (60, 329413), (70, 282354), (84, 235295), (105, 188236), (140, 141177), (210, 94118), (420, 47059)]