18349660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2473}}^1$

素因数の和:2542

約数の個数: 48

約数和(自身を含む): 44888256

約数和(自身を除く): 26538596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 2473, 3710, 4946, 7420, 9892, 12365, 17311, 24730, 34622, 49460, 69244, 86555, 131069, 173110, 262138, 346220, 524276, 655345, 917483, 1310690, 1834966, 2621380, 3669932, 4587415, 9174830, 18349660]

約数ペア:

[(1, 18349660), (2, 9174830), (4, 4587415), (5, 3669932), (7, 2621380), (10, 1834966), (14, 1310690), (20, 917483), (28, 655345), (35, 524276), (53, 346220), (70, 262138), (106, 173110), (140, 131069), (212, 86555), (265, 69244), (371, 49460), (530, 34622), (742, 24730), (1060, 17311), (1484, 12365), (1855, 9892), (2473, 7420), (3710, 4946)]