18784290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{89449}}^1$

素因数の和:89466

約数の個数: 32

約数和(自身を含む): 51523200

約数和(自身を除く): 32738910

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 89449, 178898, 268347, 447245, 536694, 626143, 894490, 1252286, 1341735, 1878429, 2683470, 3130715, 3756858, 6261430, 9392145, 18784290]

約数ペア:

[(1, 18784290), (2, 9392145), (3, 6261430), (5, 3756858), (6, 3130715), (7, 2683470), (10, 1878429), (14, 1341735), (15, 1252286), (21, 894490), (30, 626143), (35, 536694), (42, 447245), (70, 268347), (105, 178898), (210, 89449)]