18525808

素因数分解:

$2^4\times 7^1\times {\mathrm{251}}^1\times {\mathrm{659}}^1$

素因数の和:925

約数の個数: 40

約数和(自身を含む): 41247360

約数和(自身を除く): 22721552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 251, 502, 659, 1004, 1318, 1757, 2008, 2636, 3514, 4016, 4613, 5272, 7028, 9226, 10544, 14056, 18452, 28112, 36904, 73808, 165409, 330818, 661636, 1157863, 1323272, 2315726, 2646544, 4631452, 9262904, 18525808]

約数ペア:

[(1, 18525808), (2, 9262904), (4, 4631452), (7, 2646544), (8, 2315726), (14, 1323272), (16, 1157863), (28, 661636), (56, 330818), (112, 165409), (251, 73808), (502, 36904), (659, 28112), (1004, 18452), (1318, 14056), (1757, 10544), (2008, 9226), (2636, 7028), (3514, 5272), (4016, 4613)]