18876010

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 15960470

約数列:

[1, 2, 5, 10, 89, 127, 167, 178, 254, 334, 445, 635, 835, 890, 1270, 1670, 11303, 14863, 21209, 22606, 29726, 42418, 56515, 74315, 106045, 113030, 148630, 212090, 1887601, 3775202, 9438005, 18876010]

約数ペア:

[(1, 18876010), (2, 9438005), (5, 3775202), (10, 1887601), (89, 212090), (127, 148630), (167, 113030), (178, 106045), (254, 74315), (334, 56515), (445, 42418), (635, 29726), (835, 22606), (890, 21209), (1270, 14863), (1670, 11303)]