19961110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{659}}^1$

素因数の和:912

約数の個数: 32

約数和(自身を含む): 38918880

約数和(自身を除く): 18957770

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 233, 466, 659, 1165, 1318, 2330, 3029, 3295, 6058, 6590, 8567, 15145, 17134, 30290, 42835, 85670, 153547, 307094, 767735, 1535470, 1996111, 3992222, 9980555, 19961110]

約数ペア:

[(1, 19961110), (2, 9980555), (5, 3992222), (10, 1996111), (13, 1535470), (26, 767735), (65, 307094), (130, 153547), (233, 85670), (466, 42835), (659, 30290), (1165, 17134), (1318, 15145), (2330, 8567), (3029, 6590), (3295, 6058)]