18469178

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 36960000

約数和(自身を除く): 18490822

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 91, 98, 109, 133, 182, 218, 247, 266, 343, 494, 637, 686, 763, 931, 1274, 1417, 1526, 1729, 1862, 2071, 2834, 3458, 4142, 4459, 5341, 6517, 8918, 9919, 10682, 12103, 13034, 14497, 19838, 24206, 26923, 28994, 37387, 53846, 69433, 74774, 84721, 101479, 138866, 169442, 188461, 202958, 376922, 486031, 710353, 972062, 1319227, 1420706, 2638454, 9234589, 18469178]

約数ペア:

[(1, 18469178), (2, 9234589), (7, 2638454), (13, 1420706), (14, 1319227), (19, 972062), (26, 710353), (38, 486031), (49, 376922), (91, 202958), (98, 188461), (109, 169442), (133, 138866), (182, 101479), (218, 84721), (247, 74774), (266, 69433), (343, 53846), (494, 37387), (637, 28994), (686, 26923), (763, 24206), (931, 19838), (1274, 14497), (1417, 13034), (1526, 12103), (1729, 10682), (1862, 9919), (2071, 8918), (2834, 6517), (3458, 5341), (4142, 4459)]