19247690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3571}}^1$

素因数の和:3603

約数の個数: 48

約数和(自身を含む): 43978464

約数和(自身を除く): 24730774

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 3571, 5390, 7142, 17855, 24997, 35710, 39281, 49994, 78562, 124985, 174979, 196405, 249970, 274967, 349958, 392810, 549934, 874895, 1374835, 1749790, 1924769, 2749670, 3849538, 9623845, 19247690]

約数ペア:

[(1, 19247690), (2, 9623845), (5, 3849538), (7, 2749670), (10, 1924769), (11, 1749790), (14, 1374835), (22, 874895), (35, 549934), (49, 392810), (55, 349958), (70, 274967), (77, 249970), (98, 196405), (110, 174979), (154, 124985), (245, 78562), (385, 49994), (490, 39281), (539, 35710), (770, 24997), (1078, 17855), (2695, 7142), (3571, 5390)]