19212765

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{53}}^1$

素因数の和:111

約数の個数: 64

約数和(自身を含む): 37013760

約数和(自身を除く): 17800995

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 53, 55, 65, 143, 159, 165, 169, 195, 265, 429, 507, 583, 689, 715, 795, 845, 1749, 1859, 2067, 2145, 2197, 2535, 2915, 3445, 5577, 6591, 7579, 8745, 8957, 9295, 10335, 10985, 22737, 24167, 26871, 27885, 32955, 37895, 44785, 72501, 98527, 113685, 116441, 120835, 134355, 295581, 349323, 362505, 492635, 582205, 1280851, 1477905, 1746615, 3842553, 6404255, 19212765]

約数ペア:

[(1, 19212765), (3, 6404255), (5, 3842553), (11, 1746615), (13, 1477905), (15, 1280851), (33, 582205), (39, 492635), (53, 362505), (55, 349323), (65, 295581), (143, 134355), (159, 120835), (165, 116441), (169, 113685), (195, 98527), (265, 72501), (429, 44785), (507, 37895), (583, 32955), (689, 27885), (715, 26871), (795, 24167), (845, 22737), (1749, 10985), (1859, 10335), (2067, 9295), (2145, 8957), (2197, 8745), (2535, 7579), (2915, 6591), (3445, 5577)]