19727790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28591}}^1$

素因数の和:28624

約数の個数: 32

約数和(自身を含む): 49406976

約数和(自身を除く): 29679186

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 28591, 57182, 85773, 142955, 171546, 285910, 428865, 657593, 857730, 1315186, 1972779, 3287965, 3945558, 6575930, 9863895, 19727790]

約数ペア:

[(1, 19727790), (2, 9863895), (3, 6575930), (5, 3945558), (6, 3287965), (10, 1972779), (15, 1315186), (23, 857730), (30, 657593), (46, 428865), (69, 285910), (115, 171546), (138, 142955), (230, 85773), (345, 57182), (690, 28591)]