18039080

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 42301440

約数和(自身を除く): 24262360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 67, 106, 127, 134, 212, 254, 265, 268, 335, 424, 508, 530, 536, 635, 670, 1016, 1060, 1270, 1340, 2120, 2540, 2680, 3551, 5080, 6731, 7102, 8509, 13462, 14204, 17018, 17755, 26924, 28408, 33655, 34036, 35510, 42545, 53848, 67310, 68072, 71020, 85090, 134620, 142040, 170180, 269240, 340360, 450977, 901954, 1803908, 2254885, 3607816, 4509770, 9019540, 18039080]

約数ペア:

[(1, 18039080), (2, 9019540), (4, 4509770), (5, 3607816), (8, 2254885), (10, 1803908), (20, 901954), (40, 450977), (53, 340360), (67, 269240), (106, 170180), (127, 142040), (134, 134620), (212, 85090), (254, 71020), (265, 68072), (268, 67310), (335, 53848), (424, 42545), (508, 35510), (530, 34036), (536, 33655), (635, 28408), (670, 26924), (1016, 17755), (1060, 17018), (1270, 14204), (1340, 13462), (2120, 8509), (2540, 7102), (2680, 6731), (3551, 5080)]