18820384

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:569

約数の個数: 48

約数和(自身を含む): 40836096

約数和(自身を除く): 22015712

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 127, 176, 254, 352, 421, 508, 842, 1016, 1397, 1684, 2032, 2794, 3368, 4064, 4631, 5588, 6736, 9262, 11176, 13472, 18524, 22352, 37048, 44704, 53467, 74096, 106934, 148192, 213868, 427736, 588137, 855472, 1176274, 1710944, 2352548, 4705096, 9410192, 18820384]

約数ペア:

[(1, 18820384), (2, 9410192), (4, 4705096), (8, 2352548), (11, 1710944), (16, 1176274), (22, 855472), (32, 588137), (44, 427736), (88, 213868), (127, 148192), (176, 106934), (254, 74096), (352, 53467), (421, 44704), (508, 37048), (842, 22352), (1016, 18524), (1397, 13472), (1684, 11176), (2032, 9262), (2794, 6736), (3368, 5588), (4064, 4631)]