18744646

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:244

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 11668154

約数列:

[1, 2, 31, 43, 62, 79, 86, 89, 158, 178, 1333, 2449, 2666, 2759, 3397, 3827, 4898, 5518, 6794, 7031, 7654, 14062, 105307, 118637, 210614, 217961, 237274, 302333, 435922, 604666, 9372323, 18744646]

約数ペア:

[(1, 18744646), (2, 9372323), (31, 604666), (43, 435922), (62, 302333), (79, 237274), (86, 217961), (89, 210614), (158, 118637), (178, 105307), (1333, 14062), (2449, 7654), (2666, 7031), (2759, 6794), (3397, 5518), (3827, 4898)]