18999100

素因数分解:

$2^2\times 5^2\times {\mathrm{313}}^1\times {\mathrm{607}}^1$

素因数の和:934

約数の個数: 36

約数和(自身を含む): 41427904

約数和(自身を除く): 22428804

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 313, 607, 626, 1214, 1252, 1565, 2428, 3035, 3130, 6070, 6260, 7825, 12140, 15175, 15650, 30350, 31300, 60700, 189991, 379982, 759964, 949955, 1899910, 3799820, 4749775, 9499550, 18999100]

約数ペア:

[(1, 18999100), (2, 9499550), (4, 4749775), (5, 3799820), (10, 1899910), (20, 949955), (25, 759964), (50, 379982), (100, 189991), (313, 60700), (607, 31300), (626, 30350), (1214, 15650), (1252, 15175), (1565, 12140), (2428, 7825), (3035, 6260), (3130, 6070)]