19989664

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{13291}}^1$

素因数の和:13348

約数の個数: 24

約数和(自身を含む): 40195008

約数和(自身を除く): 20205344

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 376, 752, 1504, 13291, 26582, 53164, 106328, 212656, 425312, 624677, 1249354, 2498708, 4997416, 9994832, 19989664]

約数ペア:

[(1, 19989664), (2, 9994832), (4, 4997416), (8, 2498708), (16, 1249354), (32, 624677), (47, 425312), (94, 212656), (188, 106328), (376, 53164), (752, 26582), (1504, 13291)]