18941235

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 31491072

約数和(自身を除く): 12549837

約数列:

[1, 3, 5, 15, 47, 67, 141, 201, 235, 335, 401, 705, 1005, 1203, 2005, 3149, 6015, 9447, 15745, 18847, 26867, 47235, 56541, 80601, 94235, 134335, 282705, 403005, 1262749, 3788247, 6313745, 18941235]

約数ペア:

[(1, 18941235), (3, 6313745), (5, 3788247), (15, 1262749), (47, 403005), (67, 282705), (141, 134335), (201, 94235), (235, 80601), (335, 56541), (401, 47235), (705, 26867), (1005, 18847), (1203, 15745), (2005, 9447), (3149, 6015)]