9821296

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{19801}}^1$

素因数の和:19840

約数の個数: 20

約数和(自身を含む): 19643584

約数和(自身を除く): 9822288

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 19801, 39602, 79204, 158408, 316816, 613831, 1227662, 2455324, 4910648, 9821296]

約数ペア:

[(1, 9821296), (2, 4910648), (4, 2455324), (8, 1227662), (16, 613831), (31, 316816), (62, 158408), (124, 79204), (248, 39602), (496, 19801)]