19355920

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{773}}^1$

素因数の和:1099

約数の個数: 40

約数和(自身を含む): 45204696

約数和(自身を除く): 25848776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 773, 1252, 1546, 1565, 2504, 3092, 3130, 3865, 5008, 6184, 6260, 7730, 12368, 12520, 15460, 25040, 30920, 61840, 241949, 483898, 967796, 1209745, 1935592, 2419490, 3871184, 4838980, 9677960, 19355920]

約数ペア:

[(1, 19355920), (2, 9677960), (4, 4838980), (5, 3871184), (8, 2419490), (10, 1935592), (16, 1209745), (20, 967796), (40, 483898), (80, 241949), (313, 61840), (626, 30920), (773, 25040), (1252, 15460), (1546, 12520), (1565, 12368), (2504, 7730), (3092, 6260), (3130, 6184), (3865, 5008)]