19493664

素因数分解:

$2^5\times 3^1\times {\mathrm{251}}^1\times {\mathrm{809}}^1$

素因数の和:1073

約数の個数: 48

約数和(自身を含む): 51438240

約数和(自身を除く): 31944576

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 251, 502, 753, 809, 1004, 1506, 1618, 2008, 2427, 3012, 3236, 4016, 4854, 6024, 6472, 8032, 9708, 12048, 12944, 19416, 24096, 25888, 38832, 77664, 203059, 406118, 609177, 812236, 1218354, 1624472, 2436708, 3248944, 4873416, 6497888, 9746832, 19493664]

約数ペア:

[(1, 19493664), (2, 9746832), (3, 6497888), (4, 4873416), (6, 3248944), (8, 2436708), (12, 1624472), (16, 1218354), (24, 812236), (32, 609177), (48, 406118), (96, 203059), (251, 77664), (502, 38832), (753, 25888), (809, 24096), (1004, 19416), (1506, 12944), (1618, 12048), (2008, 9708), (2427, 8032), (3012, 6472), (3236, 6024), (4016, 4854)]