19805910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{660197}}^1$

素因数の和:660207

約数の個数: 16

約数和(自身を含む): 47534256

約数和(自身を除く): 27728346

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 660197, 1320394, 1980591, 3300985, 3961182, 6601970, 9902955, 19805910]

約数ペア:

[(1, 19805910), (2, 9902955), (3, 6601970), (5, 3961182), (6, 3300985), (10, 1980591), (15, 1320394), (30, 660197)]