19765444

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{631}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 35675136

約数和(自身を除く): 15909692

約数列:

[1, 2, 4, 41, 82, 164, 191, 382, 631, 764, 1262, 2524, 7831, 15662, 25871, 31324, 51742, 103484, 120521, 241042, 482084, 4941361, 9882722, 19765444]

約数ペア:

[(1, 19765444), (2, 9882722), (4, 4941361), (41, 482084), (82, 241042), (164, 120521), (191, 103484), (382, 51742), (631, 31324), (764, 25871), (1262, 15662), (2524, 7831)]