18348280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14797}}^1$

素因数の和:14839

約数の個数: 32

約数和(自身を含む): 42618240

約数和(自身を除く): 24269960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 14797, 29594, 59188, 73985, 118376, 147970, 295940, 458707, 591880, 917414, 1834828, 2293535, 3669656, 4587070, 9174140, 18348280]

約数ペア:

[(1, 18348280), (2, 9174140), (4, 4587070), (5, 3669656), (8, 2293535), (10, 1834828), (20, 917414), (31, 591880), (40, 458707), (62, 295940), (124, 147970), (155, 118376), (248, 73985), (310, 59188), (620, 29594), (1240, 14797)]