19991624

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{15331}}^1$

素因数の和:15500

約数の個数: 16

約数和(自身を含む): 37716720

約数和(自身を除く): 17725096

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 15331, 30662, 61324, 122648, 2498953, 4997906, 9995812, 19991624]

約数ペア:

[(1, 19991624), (2, 9995812), (4, 4997906), (8, 2498953), (163, 122648), (326, 61324), (652, 30662), (1304, 15331)]