19013870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:297

約数の個数: 48

約数和(自身を含む): 37856160

約数和(自身を除く): 18842290

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 229, 230, 361, 437, 458, 722, 874, 1145, 1805, 2185, 2290, 3610, 4351, 4370, 5267, 8303, 8702, 10534, 16606, 21755, 26335, 41515, 43510, 52670, 82669, 83030, 100073, 165338, 200146, 413345, 500365, 826690, 1000730, 1901387, 3802774, 9506935, 19013870]

約数ペア:

[(1, 19013870), (2, 9506935), (5, 3802774), (10, 1901387), (19, 1000730), (23, 826690), (38, 500365), (46, 413345), (95, 200146), (115, 165338), (190, 100073), (229, 83030), (230, 82669), (361, 52670), (437, 43510), (458, 41515), (722, 26335), (874, 21755), (1145, 16606), (1805, 10534), (2185, 8702), (2290, 8303), (3610, 5267), (4351, 4370)]