18833104

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1511}}^1$

素因数の和:1579

約数の個数: 40

約数和(自身を含む): 39372480

約数和(自身を除く): 20539376

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1511, 1558, 3022, 3116, 6044, 6232, 12088, 12464, 24176, 28709, 57418, 61951, 114836, 123902, 229672, 247804, 459344, 495608, 991216, 1177069, 2354138, 4708276, 9416552, 18833104]

約数ペア:

[(1, 18833104), (2, 9416552), (4, 4708276), (8, 2354138), (16, 1177069), (19, 991216), (38, 495608), (41, 459344), (76, 247804), (82, 229672), (152, 123902), (164, 114836), (304, 61951), (328, 57418), (656, 28709), (779, 24176), (1511, 12464), (1558, 12088), (3022, 6232), (3116, 6044)]