18508004

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 33149088

約数和(自身を除く): 14641084

約数列:

[1, 2, 4, 83, 107, 166, 214, 332, 428, 521, 1042, 2084, 8881, 17762, 35524, 43243, 55747, 86486, 111494, 172972, 222988, 4627001, 9254002, 18508004]

約数ペア:

[(1, 18508004), (2, 9254002), (4, 4627001), (83, 222988), (107, 172972), (166, 111494), (214, 86486), (332, 55747), (428, 43243), (521, 35524), (1042, 17762), (2084, 8881)]