18933520

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8161}}^1$

素因数の和:8203

約数の個数: 40

約数和(自身を含む): 45543960

約数和(自身を除く): 26610440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 8161, 16322, 32644, 40805, 65288, 81610, 130576, 163220, 236669, 326440, 473338, 652880, 946676, 1183345, 1893352, 2366690, 3786704, 4733380, 9466760, 18933520]

約数ペア:

[(1, 18933520), (2, 9466760), (4, 4733380), (5, 3786704), (8, 2366690), (10, 1893352), (16, 1183345), (20, 946676), (29, 652880), (40, 473338), (58, 326440), (80, 236669), (116, 163220), (145, 130576), (232, 81610), (290, 65288), (464, 40805), (580, 32644), (1160, 16322), (2320, 8161)]