18177978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{197}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 45239040

約数和(自身を除く): 27061062

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 169, 182, 197, 273, 338, 394, 507, 546, 591, 1014, 1182, 1183, 1379, 2197, 2366, 2561, 2758, 3549, 4137, 4394, 5122, 6591, 7098, 7683, 8274, 13182, 15366, 15379, 17927, 30758, 33293, 35854, 46137, 53781, 66586, 92274, 99879, 107562, 199758, 233051, 432809, 466102, 699153, 865618, 1298427, 1398306, 2596854, 3029663, 6059326, 9088989, 18177978]

約数ペア:

[(1, 18177978), (2, 9088989), (3, 6059326), (6, 3029663), (7, 2596854), (13, 1398306), (14, 1298427), (21, 865618), (26, 699153), (39, 466102), (42, 432809), (78, 233051), (91, 199758), (169, 107562), (182, 99879), (197, 92274), (273, 66586), (338, 53781), (394, 46137), (507, 35854), (546, 33293), (591, 30758), (1014, 17927), (1182, 15379), (1183, 15366), (1379, 13182), (2197, 8274), (2366, 7683), (2561, 7098), (2758, 6591), (3549, 5122), (4137, 4394)]