18897712

素因数分解:

$2^4\times {\mathrm{521}}^1\times {\mathrm{2267}}^1$

素因数の和:2796

約数の個数: 20

約数和(自身を含む): 36700776

約数和(自身を除く): 17803064

約数列:

[1, 2, 4, 8, 16, 521, 1042, 2084, 2267, 4168, 4534, 8336, 9068, 18136, 36272, 1181107, 2362214, 4724428, 9448856, 18897712]

約数ペア:

[(1, 18897712), (2, 9448856), (4, 4724428), (8, 2362214), (16, 1181107), (521, 36272), (1042, 18136), (2084, 9068), (2267, 8336), (4168, 4534)]