18973647830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{205721}}^1$

素因数の和:206152

約数の個数: 32

約数和(自身を含む): 35726505408

約数和(自身を除く): 16752857578

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 401, 802, 2005, 4010, 9223, 18446, 46115, 92230, 205721, 411442, 1028605, 2057210, 4731583, 9463166, 23657915, 47315830, 82494121, 164988242, 412470605, 824941210, 1897364783, 3794729566, 9486823915, 18973647830]

約数ペア:

[(1, 18973647830), (2, 9486823915), (5, 3794729566), (10, 1897364783), (23, 824941210), (46, 412470605), (115, 164988242), (230, 82494121), (401, 47315830), (802, 23657915), (2005, 9463166), (4010, 4731583), (9223, 2057210), (18446, 1028605), (46115, 411442), (92230, 205721)]