18815498

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42569}}^1$

素因数の和:42601

約数の個数: 16

約数和(自身を含む): 32182920

約数和(自身を除く): 13367422

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 42569, 85138, 553397, 723673, 1106794, 1447346, 9407749, 18815498]

約数ペア:

[(1, 18815498), (2, 9407749), (13, 1447346), (17, 1106794), (26, 723673), (34, 553397), (221, 85138), (442, 42569)]