19166245

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{821}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 28408320

約数和(自身を除く): 9242075

約数列:

[1, 5, 7, 23, 29, 35, 115, 145, 161, 203, 667, 805, 821, 1015, 3335, 4105, 4669, 5747, 18883, 23345, 23809, 28735, 94415, 119045, 132181, 166663, 547607, 660905, 833315, 2738035, 3833249, 19166245]

約数ペア:

[(1, 19166245), (5, 3833249), (7, 2738035), (23, 833315), (29, 660905), (35, 547607), (115, 166663), (145, 132181), (161, 119045), (203, 94415), (667, 28735), (805, 23809), (821, 23345), (1015, 18883), (3335, 5747), (4105, 4669)]