18993086

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 35335440

約数和(自身を除く): 16342354

約数列:

[1, 2, 7, 14, 29, 41, 49, 58, 82, 98, 163, 203, 287, 326, 406, 574, 1141, 1189, 1421, 2009, 2282, 2378, 2842, 4018, 4727, 6683, 7987, 8323, 9454, 13366, 15974, 16646, 33089, 46781, 58261, 66178, 93562, 116522, 193807, 231623, 327467, 387614, 463246, 654934, 1356649, 2713298, 9496543, 18993086]

約数ペア:

[(1, 18993086), (2, 9496543), (7, 2713298), (14, 1356649), (29, 654934), (41, 463246), (49, 387614), (58, 327467), (82, 231623), (98, 193807), (163, 116522), (203, 93562), (287, 66178), (326, 58261), (406, 46781), (574, 33089), (1141, 16646), (1189, 15974), (1421, 13366), (2009, 9454), (2282, 8323), (2378, 7987), (2842, 6683), (4018, 4727)]