19711290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8317}}^1$

素因数の和:8406

約数の個数: 32

約数和(自身を含む): 47911680

約数和(自身を除く): 28200390

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 237, 395, 474, 790, 1185, 2370, 8317, 16634, 24951, 41585, 49902, 83170, 124755, 249510, 657043, 1314086, 1971129, 3285215, 3942258, 6570430, 9855645, 19711290]

約数ペア:

[(1, 19711290), (2, 9855645), (3, 6570430), (5, 3942258), (6, 3285215), (10, 1971129), (15, 1314086), (30, 657043), (79, 249510), (158, 124755), (237, 83170), (395, 49902), (474, 41585), (790, 24951), (1185, 16634), (2370, 8317)]