18513656

素因数分解:

$2^3\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1229}}^1$

素因数の和:1511

約数の個数: 32

約数和(自身を含む): 39852000

約数和(自身を除く): 21338344

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 269, 538, 1076, 1229, 1883, 2152, 2458, 3766, 4916, 7532, 8603, 9832, 15064, 17206, 34412, 68824, 330601, 661202, 1322404, 2314207, 2644808, 4628414, 9256828, 18513656]

約数ペア:

[(1, 18513656), (2, 9256828), (4, 4628414), (7, 2644808), (8, 2314207), (14, 1322404), (28, 661202), (56, 330601), (269, 68824), (538, 34412), (1076, 17206), (1229, 15064), (1883, 9832), (2152, 8603), (2458, 7532), (3766, 4916)]