19745864

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3511}}^1$

素因数の和:3573

約数の個数: 32

約数和(自身を含む): 40036800

約数和(自身を除く): 20290936

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 2812, 3511, 5624, 7022, 14044, 28088, 66709, 129907, 133418, 259814, 266836, 519628, 533672, 1039256, 2468233, 4936466, 9872932, 19745864]

約数ペア:

[(1, 19745864), (2, 9872932), (4, 4936466), (8, 2468233), (19, 1039256), (37, 533672), (38, 519628), (74, 266836), (76, 259814), (148, 133418), (152, 129907), (296, 66709), (703, 28088), (1406, 14044), (2812, 7022), (3511, 5624)]