19189660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1213}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 46501056

約数和(自身を除く): 27311396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1213, 1582, 2260, 2426, 3164, 3955, 4852, 6065, 7910, 8491, 12130, 15820, 16982, 24260, 33964, 42455, 84910, 137069, 169820, 274138, 548276, 685345, 959483, 1370690, 1918966, 2741380, 3837932, 4797415, 9594830, 19189660]

約数ペア:

[(1, 19189660), (2, 9594830), (4, 4797415), (5, 3837932), (7, 2741380), (10, 1918966), (14, 1370690), (20, 959483), (28, 685345), (35, 548276), (70, 274138), (113, 169820), (140, 137069), (226, 84910), (452, 42455), (565, 33964), (791, 24260), (1130, 16982), (1213, 15820), (1582, 12130), (2260, 8491), (2426, 7910), (3164, 6065), (3955, 4852)]