20181630

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13729}}^1$

素因数の和:13753

約数の個数: 48

約数和(自身を含む): 56347920

約数和(自身を除く): 36166290

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 13729, 27458, 41187, 68645, 82374, 96103, 137290, 192206, 205935, 288309, 411870, 480515, 576618, 672721, 961030, 1345442, 1441545, 2018163, 2883090, 3363605, 4036326, 6727210, 10090815, 20181630]

約数ペア:

[(1, 20181630), (2, 10090815), (3, 6727210), (5, 4036326), (6, 3363605), (7, 2883090), (10, 2018163), (14, 1441545), (15, 1345442), (21, 961030), (30, 672721), (35, 576618), (42, 480515), (49, 411870), (70, 288309), (98, 205935), (105, 192206), (147, 137290), (210, 96103), (245, 82374), (294, 68645), (490, 41187), (735, 27458), (1470, 13729)]