16851890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{641}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 33281280

約数和(自身を除く): 16429390

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 239, 478, 641, 1195, 1282, 2390, 2629, 3205, 5258, 6410, 7051, 13145, 14102, 26290, 35255, 70510, 153199, 306398, 765995, 1531990, 1685189, 3370378, 8425945, 16851890]

約数ペア:

[(1, 16851890), (2, 8425945), (5, 3370378), (10, 1685189), (11, 1531990), (22, 765995), (55, 306398), (110, 153199), (239, 70510), (478, 35255), (641, 26290), (1195, 14102), (1282, 13145), (2390, 7051), (2629, 6410), (3205, 5258)]