19631005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 26345088

約数和(自身を除く): 6714083

約数列:

[1, 5, 17, 41, 43, 85, 131, 205, 215, 655, 697, 731, 1763, 2227, 3485, 3655, 5371, 5633, 8815, 11135, 26855, 28165, 29971, 91307, 95761, 149855, 230953, 456535, 478805, 1154765, 3926201, 19631005]

約数ペア:

[(1, 19631005), (5, 3926201), (17, 1154765), (41, 478805), (43, 456535), (85, 230953), (131, 149855), (205, 95761), (215, 91307), (655, 29971), (697, 28165), (731, 26855), (1763, 11135), (2227, 8815), (3485, 5633), (3655, 5371)]