19826940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47207}}^1$

素因数の和:47226

約数の個数: 48

約数和(自身を含む): 63447552

約数和(自身を除く): 43620612

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, 47207, 94414, 141621, 188828, 236035, 283242, 330449, 472070, 566484, 660898, 708105, 944140, 991347, 1321796, 1416210, 1652245, 1982694, 2832420, 3304490, 3965388, 4956735, 6608980, 9913470, 19826940]

約数ペア:

[(1, 19826940), (2, 9913470), (3, 6608980), (4, 4956735), (5, 3965388), (6, 3304490), (7, 2832420), (10, 1982694), (12, 1652245), (14, 1416210), (15, 1321796), (20, 991347), (21, 944140), (28, 708105), (30, 660898), (35, 566484), (42, 472070), (60, 330449), (70, 283242), (84, 236035), (105, 188828), (140, 141621), (210, 94414), (420, 47207)]