18788796

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2113}}^1$

素因数の和:2155

約数の個数: 72

約数和(自身を含む): 53864720

約数和(自身を除く): 35075924

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2113, 2223, 2964, 4226, 4446, 6339, 8452, 8892, 12678, 19017, 25356, 27469, 38034, 40147, 54938, 76068, 80294, 82407, 109876, 120441, 160588, 164814, 240882, 247221, 329628, 361323, 481764, 494442, 521911, 722646, 988884, 1043822, 1445292, 1565733, 2087644, 3131466, 4697199, 6262932, 9394398, 18788796]

約数ペア:

[(1, 18788796), (2, 9394398), (3, 6262932), (4, 4697199), (6, 3131466), (9, 2087644), (12, 1565733), (13, 1445292), (18, 1043822), (19, 988884), (26, 722646), (36, 521911), (38, 494442), (39, 481764), (52, 361323), (57, 329628), (76, 247221), (78, 240882), (114, 164814), (117, 160588), (156, 120441), (171, 109876), (228, 82407), (234, 80294), (247, 76068), (342, 54938), (468, 40147), (494, 38034), (684, 27469), (741, 25356), (988, 19017), (1482, 12678), (2113, 8892), (2223, 8452), (2964, 6339), (4226, 4446)]