38918990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15383}}^1$

素因数の和:15424

約数の個数: 32

約数和(自身を含む): 79750656

約数和(自身を除く): 40831666

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 15383, 30766, 76915, 153830, 169213, 338426, 353809, 707618, 846065, 1692130, 1769045, 3538090, 3891899, 7783798, 19459495, 38918990]

約数ペア:

[(1, 38918990), (2, 19459495), (5, 7783798), (10, 3891899), (11, 3538090), (22, 1769045), (23, 1692130), (46, 846065), (55, 707618), (110, 353809), (115, 338426), (230, 169213), (253, 153830), (506, 76915), (1265, 30766), (2530, 15383)]