18211130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8971}}^1$

素因数の和:9014

約数の個数: 32

約数和(自身を含む): 38759040

約数和(自身を除く): 20547910

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 8971, 17942, 44855, 62797, 89710, 125594, 260159, 313985, 520318, 627970, 1300795, 1821113, 2601590, 3642226, 9105565, 18211130]

約数ペア:

[(1, 18211130), (2, 9105565), (5, 3642226), (7, 2601590), (10, 1821113), (14, 1300795), (29, 627970), (35, 520318), (58, 313985), (70, 260159), (145, 125594), (203, 89710), (290, 62797), (406, 44855), (1015, 17942), (2030, 8971)]