18725798

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3319}}^1$

素因数の和:3372

約数の個数: 32

約数和(自身を含む): 35696640

約数和(自身を除く): 16970842

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 3319, 5642, 6638, 23233, 43147, 46466, 86294, 102889, 205778, 302029, 604058, 720223, 1337557, 1440446, 2675114, 9362899, 18725798]

約数ペア:

[(1, 18725798), (2, 9362899), (7, 2675114), (13, 1440446), (14, 1337557), (26, 720223), (31, 604058), (62, 302029), (91, 205778), (182, 102889), (217, 86294), (403, 46466), (434, 43147), (806, 23233), (2821, 6638), (3319, 5642)]