19658920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25867}}^1$

素因数の和:25897

約数の個数: 32

約数和(自身を含む): 46562400

約数和(自身を除く): 26903480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 25867, 51734, 103468, 129335, 206936, 258670, 491473, 517340, 982946, 1034680, 1965892, 2457365, 3931784, 4914730, 9829460, 19658920]

約数ペア:

[(1, 19658920), (2, 9829460), (4, 4914730), (5, 3931784), (8, 2457365), (10, 1965892), (19, 1034680), (20, 982946), (38, 517340), (40, 491473), (76, 258670), (95, 206936), (152, 129335), (190, 103468), (380, 51734), (760, 25867)]