18815550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9649}}^1$

素因数の和:9677

約数の個数: 48

約数和(自身を含む): 50257200

約数和(自身を除く): 31441650

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 9649, 19298, 28947, 48245, 57894, 96490, 125437, 144735, 241225, 250874, 289470, 376311, 482450, 627185, 723675, 752622, 1254370, 1447350, 1881555, 3135925, 3763110, 6271850, 9407775, 18815550]

約数ペア:

[(1, 18815550), (2, 9407775), (3, 6271850), (5, 3763110), (6, 3135925), (10, 1881555), (13, 1447350), (15, 1254370), (25, 752622), (26, 723675), (30, 627185), (39, 482450), (50, 376311), (65, 289470), (75, 250874), (78, 241225), (130, 144735), (150, 125437), (195, 96490), (325, 57894), (390, 48245), (650, 28947), (975, 19298), (1950, 9649)]