18378170

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 34560000

約数和(自身を除く): 16181830

約数列:

[1, 2, 5, 10, 29, 58, 127, 145, 254, 290, 499, 635, 998, 1270, 2495, 3683, 4990, 7366, 14471, 18415, 28942, 36830, 63373, 72355, 126746, 144710, 316865, 633730, 1837817, 3675634, 9189085, 18378170]

約数ペア:

[(1, 18378170), (2, 9189085), (5, 3675634), (10, 1837817), (29, 633730), (58, 316865), (127, 144710), (145, 126746), (254, 72355), (290, 63373), (499, 36830), (635, 28942), (998, 18415), (1270, 14471), (2495, 7366), (3683, 4990)]