18470296

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 40884480

約数和(自身を除く): 22414184

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 221, 248, 337, 403, 442, 527, 674, 806, 884, 1054, 1348, 1612, 1768, 2108, 2696, 3224, 4216, 4381, 5729, 6851, 8762, 10447, 11458, 13702, 17524, 20894, 22916, 27404, 35048, 41788, 45832, 54808, 74477, 83576, 135811, 148954, 177599, 271622, 297908, 355198, 543244, 595816, 710396, 1086488, 1420792, 2308787, 4617574, 9235148, 18470296]

約数ペア:

[(1, 18470296), (2, 9235148), (4, 4617574), (8, 2308787), (13, 1420792), (17, 1086488), (26, 710396), (31, 595816), (34, 543244), (52, 355198), (62, 297908), (68, 271622), (104, 177599), (124, 148954), (136, 135811), (221, 83576), (248, 74477), (337, 54808), (403, 45832), (442, 41788), (527, 35048), (674, 27404), (806, 22916), (884, 20894), (1054, 17524), (1348, 13702), (1612, 11458), (1768, 10447), (2108, 8762), (2696, 6851), (3224, 5729), (4216, 4381)]