19842893

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:162

約数の個数: 32

約数和(自身を含む): 25401600

約数和(自身を除く): 5558707

約数列:

[1, 7, 17, 41, 49, 83, 119, 287, 343, 581, 697, 833, 1411, 2009, 3403, 4067, 4879, 5831, 9877, 14063, 23821, 28469, 34153, 57851, 69139, 166747, 239071, 404957, 483973, 1167229, 2834699, 19842893]

約数ペア:

[(1, 19842893), (7, 2834699), (17, 1167229), (41, 483973), (49, 404957), (83, 239071), (119, 166747), (287, 69139), (343, 57851), (581, 34153), (697, 28469), (833, 23821), (1411, 14063), (2009, 9877), (3403, 5831), (4067, 4879)]