18608752

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1493}}^1$

素因数の和:1561

約数の個数: 40

約数和(自身を含む): 38903760

約数和(自身を除く): 20295008

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1493, 1558, 2986, 3116, 5972, 6232, 11944, 12464, 23888, 28367, 56734, 61213, 113468, 122426, 226936, 244852, 453872, 489704, 979408, 1163047, 2326094, 4652188, 9304376, 18608752]

約数ペア:

[(1, 18608752), (2, 9304376), (4, 4652188), (8, 2326094), (16, 1163047), (19, 979408), (38, 489704), (41, 453872), (76, 244852), (82, 226936), (152, 122426), (164, 113468), (304, 61213), (328, 56734), (656, 28367), (779, 23888), (1493, 12464), (1558, 11944), (2986, 6232), (3116, 5972)]