18651668

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{14173}}^1$

素因数の和:14231

約数の個数: 24

約数和(自身を含む): 38099712

約数和(自身を除く): 19448044

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 14173, 28346, 56692, 99211, 198422, 396844, 666131, 1332262, 2664524, 4662917, 9325834, 18651668]

約数ペア:

[(1, 18651668), (2, 9325834), (4, 4662917), (7, 2664524), (14, 1332262), (28, 666131), (47, 396844), (94, 198422), (188, 99211), (329, 56692), (658, 28346), (1316, 14173)]