18486088

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 37787580

約数和(自身を除く): 19301492

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 173, 296, 346, 361, 692, 703, 722, 1384, 1406, 1444, 2812, 2888, 3287, 5624, 6401, 6574, 12802, 13148, 13357, 25604, 26296, 26714, 51208, 53428, 62453, 106856, 121619, 124906, 243238, 249812, 486476, 499624, 972952, 2310761, 4621522, 9243044, 18486088]

約数ペア:

[(1, 18486088), (2, 9243044), (4, 4621522), (8, 2310761), (19, 972952), (37, 499624), (38, 486476), (74, 249812), (76, 243238), (148, 124906), (152, 121619), (173, 106856), (296, 62453), (346, 53428), (361, 51208), (692, 26714), (703, 26296), (722, 25604), (1384, 13357), (1406, 13148), (1444, 12802), (2812, 6574), (2888, 6401), (3287, 5624)]