418988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 798000

約数和(自身を除く): 379012

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 149, 298, 596, 703, 1406, 2812, 2831, 5513, 5662, 11026, 11324, 22052, 104747, 209494, 418988]

約数ペア:

[(1, 418988), (2, 209494), (4, 104747), (19, 22052), (37, 11324), (38, 11026), (74, 5662), (76, 5513), (148, 2831), (149, 2812), (298, 1406), (596, 703)]