17670978

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:228

約数の個数: 72

約数和(自身を含む): 42850548

約数和(自身を除く): 25179570

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 74, 78, 111, 117, 157, 169, 222, 234, 314, 333, 338, 471, 481, 507, 666, 942, 962, 1014, 1413, 1443, 1521, 2041, 2826, 2886, 3042, 4082, 4329, 5809, 6123, 6253, 8658, 11618, 12246, 12506, 17427, 18369, 18759, 26533, 34854, 36738, 37518, 52281, 53066, 56277, 75517, 79599, 104562, 112554, 151034, 159198, 226551, 238797, 453102, 477594, 679653, 981721, 1359306, 1963442, 2945163, 5890326, 8835489, 17670978]

約数ペア:

[(1, 17670978), (2, 8835489), (3, 5890326), (6, 2945163), (9, 1963442), (13, 1359306), (18, 981721), (26, 679653), (37, 477594), (39, 453102), (74, 238797), (78, 226551), (111, 159198), (117, 151034), (157, 112554), (169, 104562), (222, 79599), (234, 75517), (314, 56277), (333, 53066), (338, 52281), (471, 37518), (481, 36738), (507, 34854), (666, 26533), (942, 18759), (962, 18369), (1014, 17427), (1413, 12506), (1443, 12246), (1521, 11618), (2041, 8658), (2826, 6253), (2886, 6123), (3042, 5809), (4082, 4329)]