18407972

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:620

約数の個数: 36

約数和(自身を含む): 35962668

約数和(自身を除く): 17554696

約数列:

[1, 2, 4, 11, 22, 44, 73, 121, 146, 242, 292, 484, 521, 803, 1042, 1606, 2084, 3212, 5731, 8833, 11462, 17666, 22924, 35332, 38033, 63041, 76066, 126082, 152132, 252164, 418363, 836726, 1673452, 4601993, 9203986, 18407972]

約数ペア:

[(1, 18407972), (2, 9203986), (4, 4601993), (11, 1673452), (22, 836726), (44, 418363), (73, 252164), (121, 152132), (146, 126082), (242, 76066), (292, 63041), (484, 38033), (521, 35332), (803, 22924), (1042, 17666), (1606, 11462), (2084, 8833), (3212, 5731)]