18203948

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1229}}^1$

素因数の和:1286

約数の個数: 36

約数和(自身を含む): 38090640

約数和(自身を除く): 19886692

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 529, 644, 1058, 1229, 2116, 2458, 3703, 4916, 7406, 8603, 14812, 17206, 28267, 34412, 56534, 113068, 197869, 395738, 650141, 791476, 1300282, 2600564, 4550987, 9101974, 18203948]

約数ペア:

[(1, 18203948), (2, 9101974), (4, 4550987), (7, 2600564), (14, 1300282), (23, 791476), (28, 650141), (46, 395738), (92, 197869), (161, 113068), (322, 56534), (529, 34412), (644, 28267), (1058, 17206), (1229, 14812), (2116, 8603), (2458, 7406), (3703, 4916)]