19887882

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1319}}^1$

素因数の和:1690

約数の個数: 32

約数和(自身を含む): 45619200

約数和(自身を除く): 25731318

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 359, 718, 1077, 1319, 2154, 2513, 2638, 3957, 5026, 7539, 7914, 9233, 15078, 18466, 27699, 55398, 473521, 947042, 1420563, 2841126, 3314647, 6629294, 9943941, 19887882]

約数ペア:

[(1, 19887882), (2, 9943941), (3, 6629294), (6, 3314647), (7, 2841126), (14, 1420563), (21, 947042), (42, 473521), (359, 55398), (718, 27699), (1077, 18466), (1319, 15078), (2154, 9233), (2513, 7914), (2638, 7539), (3957, 5026)]