191909090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{11177}}^1$

素因数の和:11302

約数の個数: 32

約数和(自身を含む): 369410544

約数和(自身を除く): 177501454

約数列:

[1, 2, 5, 10, 17, 34, 85, 101, 170, 202, 505, 1010, 1717, 3434, 8585, 11177, 17170, 22354, 55885, 111770, 190009, 380018, 950045, 1128877, 1900090, 2257754, 5644385, 11288770, 19190909, 38381818, 95954545, 191909090]

約数ペア:

[(1, 191909090), (2, 95954545), (5, 38381818), (10, 19190909), (17, 11288770), (34, 5644385), (85, 2257754), (101, 1900090), (170, 1128877), (202, 950045), (505, 380018), (1010, 190009), (1717, 111770), (3434, 55885), (8585, 22354), (11177, 17170)]