18950958

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{743}}^1$

素因数の和:873

約数の個数: 48

約数和(自身を含む): 44684640

約数和(自身を除く): 25733682

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 109, 117, 218, 234, 327, 654, 743, 981, 1417, 1486, 1962, 2229, 2834, 4251, 4458, 6687, 8502, 9659, 12753, 13374, 19318, 25506, 28977, 57954, 80987, 86931, 161974, 173862, 242961, 485922, 728883, 1052831, 1457766, 2105662, 3158493, 6316986, 9475479, 18950958]

約数ペア:

[(1, 18950958), (2, 9475479), (3, 6316986), (6, 3158493), (9, 2105662), (13, 1457766), (18, 1052831), (26, 728883), (39, 485922), (78, 242961), (109, 173862), (117, 161974), (218, 86931), (234, 80987), (327, 57954), (654, 28977), (743, 25506), (981, 19318), (1417, 13374), (1486, 12753), (1962, 9659), (2229, 8502), (2834, 6687), (4251, 4458)]