19539414

素因数分解:

$2^1\times 3^3\times {\mathrm{487}}^1\times {\mathrm{743}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 43568640

約数和(自身を除く): 24029226

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 487, 743, 974, 1461, 1486, 2229, 2922, 4383, 4458, 6687, 8766, 13149, 13374, 20061, 26298, 40122, 361841, 723682, 1085523, 2171046, 3256569, 6513138, 9769707, 19539414]

約数ペア:

[(1, 19539414), (2, 9769707), (3, 6513138), (6, 3256569), (9, 2171046), (18, 1085523), (27, 723682), (54, 361841), (487, 40122), (743, 26298), (974, 20061), (1461, 13374), (1486, 13149), (2229, 8766), (2922, 6687), (4383, 4458)]