18243954

素因数分解:

$2^1\times 3^7\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:163

約数の個数: 64

約数和(自身を含む): 42430080

約数和(自身を除く): 24186126

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 97, 129, 162, 194, 243, 258, 291, 387, 486, 582, 729, 774, 873, 1161, 1458, 1746, 2187, 2322, 2619, 3483, 4171, 4374, 5238, 6966, 7857, 8342, 10449, 12513, 15714, 20898, 23571, 25026, 31347, 37539, 47142, 62694, 70713, 75078, 94041, 112617, 141426, 188082, 212139, 225234, 337851, 424278, 675702, 1013553, 2027106, 3040659, 6081318, 9121977, 18243954]

約数ペア:

[(1, 18243954), (2, 9121977), (3, 6081318), (6, 3040659), (9, 2027106), (18, 1013553), (27, 675702), (43, 424278), (54, 337851), (81, 225234), (86, 212139), (97, 188082), (129, 141426), (162, 112617), (194, 94041), (243, 75078), (258, 70713), (291, 62694), (387, 47142), (486, 37539), (582, 31347), (729, 25026), (774, 23571), (873, 20898), (1161, 15714), (1458, 12513), (1746, 10449), (2187, 8342), (2322, 7857), (2619, 6966), (3483, 5238), (4171, 4374)]