19675856

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:579

約数の個数: 40

約数和(自身を含む): 40187904

約数和(自身を除く): 20512048

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 127, 184, 254, 368, 421, 508, 842, 1016, 1684, 2032, 2921, 3368, 5842, 6736, 9683, 11684, 19366, 23368, 38732, 46736, 53467, 77464, 106934, 154928, 213868, 427736, 855472, 1229741, 2459482, 4918964, 9837928, 19675856]

約数ペア:

[(1, 19675856), (2, 9837928), (4, 4918964), (8, 2459482), (16, 1229741), (23, 855472), (46, 427736), (92, 213868), (127, 154928), (184, 106934), (254, 77464), (368, 53467), (421, 46736), (508, 38732), (842, 23368), (1016, 19366), (1684, 11684), (2032, 9683), (2921, 6736), (3368, 5842)]