18804907808

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{383}}^1\times {\mathrm{37423}}^1$

素因数の和:37857

約数の個数: 48

約数和(自身を含む): 38025179136

約数和(自身を除く): 19220271328

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 383, 656, 766, 1312, 1532, 3064, 6128, 12256, 15703, 31406, 37423, 62812, 74846, 125624, 149692, 251248, 299384, 502496, 598768, 1197536, 1534343, 3068686, 6137372, 12274744, 14333009, 24549488, 28666018, 49098976, 57332036, 114664072, 229328144, 458656288, 587653369, 1175306738, 2350613476, 4701226952, 9402453904, 18804907808]

約数ペア:

[(1, 18804907808), (2, 9402453904), (4, 4701226952), (8, 2350613476), (16, 1175306738), (32, 587653369), (41, 458656288), (82, 229328144), (164, 114664072), (328, 57332036), (383, 49098976), (656, 28666018), (766, 24549488), (1312, 14333009), (1532, 12274744), (3064, 6137372), (6128, 3068686), (12256, 1534343), (15703, 1197536), (31406, 598768), (37423, 502496), (62812, 299384), (74846, 251248), (125624, 149692)]