19145560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{677}}^1$

素因数の和:796

約数の個数: 64

約数和(自身を含む): 49792320

約数和(自身を除く): 30646760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 677, 707, 808, 1010, 1354, 1414, 2020, 2708, 2828, 3385, 3535, 4040, 4739, 5416, 5656, 6770, 7070, 9478, 13540, 14140, 18956, 23695, 27080, 28280, 37912, 47390, 68377, 94780, 136754, 189560, 273508, 341885, 478639, 547016, 683770, 957278, 1367540, 1914556, 2393195, 2735080, 3829112, 4786390, 9572780, 19145560]

約数ペア:

[(1, 19145560), (2, 9572780), (4, 4786390), (5, 3829112), (7, 2735080), (8, 2393195), (10, 1914556), (14, 1367540), (20, 957278), (28, 683770), (35, 547016), (40, 478639), (56, 341885), (70, 273508), (101, 189560), (140, 136754), (202, 94780), (280, 68377), (404, 47390), (505, 37912), (677, 28280), (707, 27080), (808, 23695), (1010, 18956), (1354, 14140), (1414, 13540), (2020, 9478), (2708, 7070), (2828, 6770), (3385, 5656), (3535, 5416), (4040, 4739)]