1855260108

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{20123}}^1$

素因数の和:20343

約数の個数: 72

約数和(自身を含む): 5076319248

約数和(自身を除く): 3221059140

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 197, 234, 394, 468, 591, 788, 1182, 1773, 2364, 2561, 3546, 5122, 7092, 7683, 10244, 15366, 20123, 23049, 30732, 40246, 46098, 60369, 80492, 92196, 120738, 181107, 241476, 261599, 362214, 523198, 724428, 784797, 1046396, 1569594, 2354391, 3139188, 3964231, 4708782, 7928462, 9417564, 11892693, 15856924, 23785386, 35678079, 47570772, 51535003, 71356158, 103070006, 142712316, 154605009, 206140012, 309210018, 463815027, 618420036, 927630054, 1855260108]

約数ペア:

[(1, 1855260108), (2, 927630054), (3, 618420036), (4, 463815027), (6, 309210018), (9, 206140012), (12, 154605009), (13, 142712316), (18, 103070006), (26, 71356158), (36, 51535003), (39, 47570772), (52, 35678079), (78, 23785386), (117, 15856924), (156, 11892693), (197, 9417564), (234, 7928462), (394, 4708782), (468, 3964231), (591, 3139188), (788, 2354391), (1182, 1569594), (1773, 1046396), (2364, 784797), (2561, 724428), (3546, 523198), (5122, 362214), (7092, 261599), (7683, 241476), (10244, 181107), (15366, 120738), (20123, 92196), (23049, 80492), (30732, 60369), (40246, 46098)]