18242818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1163}}^1$

素因数の和:1230

約数の個数: 32

約数和(自身を含む): 32182272

約数和(自身を除く): 13939454

約数列:

[1, 2, 11, 22, 23, 31, 46, 62, 253, 341, 506, 682, 713, 1163, 1426, 2326, 7843, 12793, 15686, 25586, 26749, 36053, 53498, 72106, 294239, 396583, 588478, 793166, 829219, 1658438, 9121409, 18242818]

約数ペア:

[(1, 18242818), (2, 9121409), (11, 1658438), (22, 829219), (23, 793166), (31, 588478), (46, 396583), (62, 294239), (253, 72106), (341, 53498), (506, 36053), (682, 26749), (713, 25586), (1163, 15686), (1426, 12793), (2326, 7843)]