18707740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{607}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 41674752

約数和(自身を除く): 22967012

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 67, 92, 115, 134, 230, 268, 335, 460, 607, 670, 1214, 1340, 1541, 2428, 3035, 3082, 6070, 6164, 7705, 12140, 13961, 15410, 27922, 30820, 40669, 55844, 69805, 81338, 139610, 162676, 203345, 279220, 406690, 813380, 935387, 1870774, 3741548, 4676935, 9353870, 18707740]

約数ペア:

[(1, 18707740), (2, 9353870), (4, 4676935), (5, 3741548), (10, 1870774), (20, 935387), (23, 813380), (46, 406690), (67, 279220), (92, 203345), (115, 162676), (134, 139610), (230, 81338), (268, 69805), (335, 55844), (460, 40669), (607, 30820), (670, 27922), (1214, 15410), (1340, 13961), (1541, 12140), (2428, 7705), (3035, 6164), (3082, 6070)]