18720442

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{877}}^1$

素因数の和:1713

約数の個数: 16

約数和(自身を含む): 30312072

約数和(自身を除く): 11591630

約数列:

[1, 2, 13, 26, 821, 877, 1642, 1754, 10673, 11401, 21346, 22802, 720017, 1440034, 9360221, 18720442]

約数ペア:

[(1, 18720442), (2, 9360221), (13, 1440034), (26, 720017), (821, 22802), (877, 21346), (1642, 11401), (1754, 10673)]