19689296

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{111871}}^1$

素因数の和:111890

約数の個数: 20

約数和(自身を含む): 41616384

約数和(自身を除く): 21927088

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 111871, 223742, 447484, 894968, 1230581, 1789936, 2461162, 4922324, 9844648, 19689296]

約数ペア:

[(1, 19689296), (2, 9844648), (4, 4922324), (8, 2461162), (11, 1789936), (16, 1230581), (22, 894968), (44, 447484), (88, 223742), (176, 111871)]