19997730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{222197}}^1$

素因数の和:222210

約数の個数: 24

約数和(自身を含む): 51994332

約数和(自身を除く): 31996602

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 222197, 444394, 666591, 1110985, 1333182, 1999773, 2221970, 3332955, 3999546, 6665910, 9998865, 19997730]

約数ペア:

[(1, 19997730), (2, 9998865), (3, 6665910), (5, 3999546), (6, 3332955), (9, 2221970), (10, 1999773), (15, 1333182), (18, 1110985), (30, 666591), (45, 444394), (90, 222197)]