18157292

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 36

約数和(自身を含む): 34298040

約数和(自身を除く): 16140748

約数列:

[1, 2, 4, 17, 34, 68, 113, 139, 226, 278, 289, 452, 556, 578, 1156, 1921, 2363, 3842, 4726, 7684, 9452, 15707, 31414, 32657, 40171, 62828, 65314, 80342, 130628, 160684, 267019, 534038, 1068076, 4539323, 9078646, 18157292]

約数ペア:

[(1, 18157292), (2, 9078646), (4, 4539323), (17, 1068076), (34, 534038), (68, 267019), (113, 160684), (139, 130628), (226, 80342), (278, 65314), (289, 62828), (452, 40171), (556, 32657), (578, 31414), (1156, 15707), (1921, 9452), (2363, 7684), (3842, 4726)]