18995516

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{10867}}^1$

素因数の和:10913

約数の個数: 24

約数和(自身を含む): 36516480

約数和(自身を除く): 17520964

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 10867, 21734, 43468, 206473, 249941, 412946, 499882, 825892, 999764, 4748879, 9497758, 18995516]

約数ペア:

[(1, 18995516), (2, 9497758), (4, 4748879), (19, 999764), (23, 825892), (38, 499882), (46, 412946), (76, 249941), (92, 206473), (437, 43468), (874, 21734), (1748, 10867)]