18730112

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 39584160

約数和(自身を除く): 20854048

約数列:

[1, 2, 4, 8, 16, 32, 41, 43, 64, 82, 83, 86, 128, 164, 166, 172, 328, 332, 344, 656, 664, 688, 1312, 1328, 1376, 1763, 2624, 2656, 2752, 3403, 3526, 3569, 5248, 5312, 5504, 6806, 7052, 7138, 10624, 13612, 14104, 14276, 27224, 28208, 28552, 54448, 56416, 57104, 108896, 112832, 114208, 146329, 217792, 225664, 228416, 292658, 435584, 456832, 585316, 1170632, 2341264, 4682528, 9365056, 18730112]

約数ペア:

[(1, 18730112), (2, 9365056), (4, 4682528), (8, 2341264), (16, 1170632), (32, 585316), (41, 456832), (43, 435584), (64, 292658), (82, 228416), (83, 225664), (86, 217792), (128, 146329), (164, 114208), (166, 112832), (172, 108896), (328, 57104), (332, 56416), (344, 54448), (656, 28552), (664, 28208), (688, 27224), (1312, 14276), (1328, 14104), (1376, 13612), (1763, 10624), (2624, 7138), (2656, 7052), (2752, 6806), (3403, 5504), (3526, 5312), (3569, 5248)]