18710316

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{383}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 50319360

約数和(自身を除く): 31609044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 59, 69, 92, 118, 138, 177, 207, 236, 276, 354, 383, 414, 531, 708, 766, 828, 1062, 1149, 1357, 1532, 2124, 2298, 2714, 3447, 4071, 4596, 5428, 6894, 8142, 8809, 12213, 13788, 16284, 17618, 22597, 24426, 26427, 35236, 45194, 48852, 52854, 67791, 79281, 90388, 105708, 135582, 158562, 203373, 271164, 317124, 406746, 519731, 813492, 1039462, 1559193, 2078924, 3118386, 4677579, 6236772, 9355158, 18710316]

約数ペア:

[(1, 18710316), (2, 9355158), (3, 6236772), (4, 4677579), (6, 3118386), (9, 2078924), (12, 1559193), (18, 1039462), (23, 813492), (36, 519731), (46, 406746), (59, 317124), (69, 271164), (92, 203373), (118, 158562), (138, 135582), (177, 105708), (207, 90388), (236, 79281), (276, 67791), (354, 52854), (383, 48852), (414, 45194), (531, 35236), (708, 26427), (766, 24426), (828, 22597), (1062, 17618), (1149, 16284), (1357, 13788), (1532, 12213), (2124, 8809), (2298, 8142), (2714, 6894), (3447, 5428), (4071, 4596)]