19740118

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:292

約数の個数: 32

約数和(自身を含む): 32440320

約数和(自身を除く): 12700202

約数列:

[1, 2, 23, 31, 46, 62, 109, 127, 218, 254, 713, 1426, 2507, 2921, 3379, 3937, 5014, 5842, 6758, 7874, 13843, 27686, 77717, 90551, 155434, 181102, 318389, 429133, 636778, 858266, 9870059, 19740118]

約数ペア:

[(1, 19740118), (2, 9870059), (23, 858266), (31, 636778), (46, 429133), (62, 318389), (109, 181102), (127, 155434), (218, 90551), (254, 77717), (713, 27686), (1426, 13843), (2507, 7874), (2921, 6758), (3379, 5842), (3937, 5014)]