18744700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{14419}}^1$

素因数の和:14446

約数の個数: 36

約数和(自身を含む): 43807960

約数和(自身を除く): 25063260

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 14419, 28838, 57676, 72095, 144190, 187447, 288380, 360475, 374894, 720950, 749788, 937235, 1441900, 1874470, 3748940, 4686175, 9372350, 18744700]

約数ペア:

[(1, 18744700), (2, 9372350), (4, 4686175), (5, 3748940), (10, 1874470), (13, 1441900), (20, 937235), (25, 749788), (26, 720950), (50, 374894), (52, 360475), (65, 288380), (100, 187447), (130, 144190), (260, 72095), (325, 57676), (650, 28838), (1300, 14419)]