19812316

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{509}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 35814240

約数和(自身を除く): 16001924

約数列:

[1, 2, 4, 37, 74, 148, 263, 509, 526, 1018, 1052, 2036, 9731, 18833, 19462, 37666, 38924, 75332, 133867, 267734, 535468, 4953079, 9906158, 19812316]

約数ペア:

[(1, 19812316), (2, 9906158), (4, 4953079), (37, 535468), (74, 267734), (148, 133867), (263, 75332), (509, 38924), (526, 37666), (1018, 19462), (1052, 18833), (2036, 9731)]