18479556

素因数分解:

$2^2\times 3^3\times {\mathrm{397}}^1\times {\mathrm{431}}^1$

素因数の和:841

約数の個数: 48

約数和(自身を含む): 48142080

約数和(自身を除く): 29662524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 397, 431, 794, 862, 1191, 1293, 1588, 1724, 2382, 2586, 3573, 3879, 4764, 5172, 7146, 7758, 10719, 11637, 14292, 15516, 21438, 23274, 42876, 46548, 171107, 342214, 513321, 684428, 1026642, 1539963, 2053284, 3079926, 4619889, 6159852, 9239778, 18479556]

約数ペア:

[(1, 18479556), (2, 9239778), (3, 6159852), (4, 4619889), (6, 3079926), (9, 2053284), (12, 1539963), (18, 1026642), (27, 684428), (36, 513321), (54, 342214), (108, 171107), (397, 46548), (431, 42876), (794, 23274), (862, 21438), (1191, 15516), (1293, 14292), (1588, 11637), (1724, 10719), (2382, 7758), (2586, 7146), (3573, 5172), (3879, 4764)]