1813360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1193}}^1$

素因数の和:1225

約数の個数: 40

約数和(自身を含む): 4441680

約数和(自身を除く): 2628320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1193, 1520, 2386, 4772, 5965, 9544, 11930, 19088, 22667, 23860, 45334, 47720, 90668, 95440, 113335, 181336, 226670, 362672, 453340, 906680, 1813360]

約数ペア:

[(1, 1813360), (2, 906680), (4, 453340), (5, 362672), (8, 226670), (10, 181336), (16, 113335), (19, 95440), (20, 90668), (38, 47720), (40, 45334), (76, 23860), (80, 22667), (95, 19088), (152, 11930), (190, 9544), (304, 5965), (380, 4772), (760, 2386), (1193, 1520)]