18311584

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:889

約数の個数: 48

約数和(自身を含む): 39150216

約数和(自身を除く): 20838632

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 68, 82, 136, 164, 272, 328, 544, 656, 697, 821, 1312, 1394, 1642, 2788, 3284, 5576, 6568, 11152, 13136, 13957, 22304, 26272, 27914, 33661, 55828, 67322, 111656, 134644, 223312, 269288, 446624, 538576, 572237, 1077152, 1144474, 2288948, 4577896, 9155792, 18311584]

約数ペア:

[(1, 18311584), (2, 9155792), (4, 4577896), (8, 2288948), (16, 1144474), (17, 1077152), (32, 572237), (34, 538576), (41, 446624), (68, 269288), (82, 223312), (136, 134644), (164, 111656), (272, 67322), (328, 55828), (544, 33661), (656, 27914), (697, 26272), (821, 22304), (1312, 13957), (1394, 13136), (1642, 11152), (2788, 6568), (3284, 5576)]