18801368

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 17486632

約数列:

[1, 2, 4, 8, 71, 79, 142, 158, 284, 316, 419, 568, 632, 838, 1676, 3352, 5609, 11218, 22436, 29749, 33101, 44872, 59498, 66202, 118996, 132404, 237992, 264808, 2350171, 4700342, 9400684, 18801368]

約数ペア:

[(1, 18801368), (2, 9400684), (4, 4700342), (8, 2350171), (71, 264808), (79, 237992), (142, 132404), (158, 118996), (284, 66202), (316, 59498), (419, 44872), (568, 33101), (632, 29749), (838, 22436), (1676, 11218), (3352, 5609)]