18965688

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1429}}^1$

素因数の和:1524

約数の個数: 64

約数和(自身を含む): 54912000

約数和(自身を除く): 35946312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 79, 84, 158, 168, 237, 316, 474, 553, 632, 948, 1106, 1429, 1659, 1896, 2212, 2858, 3318, 4287, 4424, 5716, 6636, 8574, 10003, 11432, 13272, 17148, 20006, 30009, 34296, 40012, 60018, 80024, 112891, 120036, 225782, 240072, 338673, 451564, 677346, 790237, 903128, 1354692, 1580474, 2370711, 2709384, 3160948, 4741422, 6321896, 9482844, 18965688]

約数ペア:

[(1, 18965688), (2, 9482844), (3, 6321896), (4, 4741422), (6, 3160948), (7, 2709384), (8, 2370711), (12, 1580474), (14, 1354692), (21, 903128), (24, 790237), (28, 677346), (42, 451564), (56, 338673), (79, 240072), (84, 225782), (158, 120036), (168, 112891), (237, 80024), (316, 60018), (474, 40012), (553, 34296), (632, 30009), (948, 20006), (1106, 17148), (1429, 13272), (1659, 11432), (1896, 10003), (2212, 8574), (2858, 6636), (3318, 5716), (4287, 4424)]