18847970

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{631}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 35493120

約数和(自身を除く): 16645150

約数列:

[1, 2, 5, 10, 29, 58, 103, 145, 206, 290, 515, 631, 1030, 1262, 2987, 3155, 5974, 6310, 14935, 18299, 29870, 36598, 64993, 91495, 129986, 182990, 324965, 649930, 1884797, 3769594, 9423985, 18847970]

約数ペア:

[(1, 18847970), (2, 9423985), (5, 3769594), (10, 1884797), (29, 649930), (58, 324965), (103, 182990), (145, 129986), (206, 91495), (290, 64993), (515, 36598), (631, 29870), (1030, 18299), (1262, 14935), (2987, 6310), (3155, 5974)]