19158830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{449}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 36741600

約数和(自身を除く): 17582770

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 251, 449, 502, 898, 1255, 2245, 2510, 4267, 4490, 7633, 8534, 15266, 21335, 38165, 42670, 76330, 112699, 225398, 563495, 1126990, 1915883, 3831766, 9579415, 19158830]

約数ペア:

[(1, 19158830), (2, 9579415), (5, 3831766), (10, 1915883), (17, 1126990), (34, 563495), (85, 225398), (170, 112699), (251, 76330), (449, 42670), (502, 38165), (898, 21335), (1255, 15266), (2245, 8534), (2510, 7633), (4267, 4490)]