19647738

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 50050560

約数和(自身を除く): 30402822

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 31, 33, 54, 62, 66, 93, 97, 99, 121, 186, 194, 198, 242, 279, 291, 297, 341, 363, 558, 582, 594, 682, 726, 837, 873, 1023, 1067, 1089, 1674, 1746, 2046, 2134, 2178, 2619, 3007, 3069, 3201, 3267, 3751, 5238, 6014, 6138, 6402, 6534, 7502, 9021, 9207, 9603, 11253, 11737, 18042, 18414, 19206, 22506, 23474, 27063, 28809, 33077, 33759, 35211, 54126, 57618, 66154, 67518, 70422, 81189, 99231, 101277, 105633, 162378, 198462, 202554, 211266, 297693, 316899, 363847, 595386, 633798, 727694, 893079, 1091541, 1786158, 2183082, 3274623, 6549246, 9823869, 19647738]

約数ペア:

[(1, 19647738), (2, 9823869), (3, 6549246), (6, 3274623), (9, 2183082), (11, 1786158), (18, 1091541), (22, 893079), (27, 727694), (31, 633798), (33, 595386), (54, 363847), (62, 316899), (66, 297693), (93, 211266), (97, 202554), (99, 198462), (121, 162378), (186, 105633), (194, 101277), (198, 99231), (242, 81189), (279, 70422), (291, 67518), (297, 66154), (341, 57618), (363, 54126), (558, 35211), (582, 33759), (594, 33077), (682, 28809), (726, 27063), (837, 23474), (873, 22506), (1023, 19206), (1067, 18414), (1089, 18042), (1674, 11737), (1746, 11253), (2046, 9603), (2134, 9207), (2178, 9021), (2619, 7502), (3007, 6534), (3069, 6402), (3201, 6138), (3267, 6014), (3751, 5238)]