19439730

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71999}}^1$

素因数の和:72015

約数の個数: 32

約数和(自身を含む): 51840000

約数和(自身を除く): 32400270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 71999, 143998, 215997, 359995, 431994, 647991, 719990, 1079985, 1295982, 1943973, 2159970, 3239955, 3887946, 6479910, 9719865, 19439730]

約数ペア:

[(1, 19439730), (2, 9719865), (3, 6479910), (5, 3887946), (6, 3239955), (9, 2159970), (10, 1943973), (15, 1295982), (18, 1079985), (27, 719990), (30, 647991), (45, 431994), (54, 359995), (90, 215997), (135, 143998), (270, 71999)]