17993220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{42841}}^1$

素因数の和:42860

約数の個数: 48

約数和(自身を含む): 57579648

約数和(自身を除く): 39586428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 42841, 85682, 128523, 171364, 214205, 257046, 299887, 428410, 514092, 599774, 642615, 856820, 899661, 1199548, 1285230, 1499435, 1799322, 2570460, 2998870, 3598644, 4498305, 5997740, 8996610, 17993220]

約数ペア:

[(1, 17993220), (2, 8996610), (3, 5997740), (4, 4498305), (5, 3598644), (6, 2998870), (7, 2570460), (10, 1799322), (12, 1499435), (14, 1285230), (15, 1199548), (20, 899661), (21, 856820), (28, 642615), (30, 599774), (35, 514092), (42, 428410), (60, 299887), (70, 257046), (84, 214205), (105, 171364), (140, 128523), (210, 85682), (420, 42841)]