22891390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{571}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 43655040

約数和(自身を除く): 20763650

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 211, 422, 571, 1055, 1142, 2110, 2855, 4009, 5710, 8018, 10849, 20045, 21698, 40090, 54245, 108490, 120481, 240962, 602405, 1204810, 2289139, 4578278, 11445695, 22891390]

約数ペア:

[(1, 22891390), (2, 11445695), (5, 4578278), (10, 2289139), (19, 1204810), (38, 602405), (95, 240962), (190, 120481), (211, 108490), (422, 54245), (571, 40090), (1055, 21698), (1142, 20045), (2110, 10849), (2855, 8018), (4009, 5710)]