18594320

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5669}}^1$

素因数の和:5723

約数の個数: 40

約数和(自身を含む): 44294040

約数和(自身を除く): 25699720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 5669, 11338, 22676, 28345, 45352, 56690, 90704, 113380, 226760, 232429, 453520, 464858, 929716, 1162145, 1859432, 2324290, 3718864, 4648580, 9297160, 18594320]

約数ペア:

[(1, 18594320), (2, 9297160), (4, 4648580), (5, 3718864), (8, 2324290), (10, 1859432), (16, 1162145), (20, 929716), (40, 464858), (41, 453520), (80, 232429), (82, 226760), (164, 113380), (205, 90704), (328, 56690), (410, 45352), (656, 28345), (820, 22676), (1640, 11338), (3280, 5669)]