18525220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1171}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 44892288

約数和(自身を除く): 26367068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1171, 1582, 2260, 2342, 3164, 3955, 4684, 5855, 7910, 8197, 11710, 15820, 16394, 23420, 32788, 40985, 81970, 132323, 163940, 264646, 529292, 661615, 926261, 1323230, 1852522, 2646460, 3705044, 4631305, 9262610, 18525220]

約数ペア:

[(1, 18525220), (2, 9262610), (4, 4631305), (5, 3705044), (7, 2646460), (10, 1852522), (14, 1323230), (20, 926261), (28, 661615), (35, 529292), (70, 264646), (113, 163940), (140, 132323), (226, 81970), (452, 40985), (565, 32788), (791, 23420), (1130, 16394), (1171, 15820), (1582, 11710), (2260, 8197), (2342, 7910), (3164, 5855), (3955, 4684)]