18822700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{14479}}^1$

素因数の和:14506

約数の個数: 36

約数和(自身を含む): 43990240

約数和(自身を除く): 25167540

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 14479, 28958, 57916, 72395, 144790, 188227, 289580, 361975, 376454, 723950, 752908, 941135, 1447900, 1882270, 3764540, 4705675, 9411350, 18822700]

約数ペア:

[(1, 18822700), (2, 9411350), (4, 4705675), (5, 3764540), (10, 1882270), (13, 1447900), (20, 941135), (25, 752908), (26, 723950), (50, 376454), (52, 361975), (65, 289580), (100, 188227), (130, 144790), (260, 72395), (325, 57916), (650, 28958), (1300, 14479)]