19859970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{50923}}^1$

素因数の和:50946

約数の個数: 32

約数和(自身を含む): 51331392

約数和(自身を除く): 31471422

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 50923, 101846, 152769, 254615, 305538, 509230, 661999, 763845, 1323998, 1527690, 1985997, 3309995, 3971994, 6619990, 9929985, 19859970]

約数ペア:

[(1, 19859970), (2, 9929985), (3, 6619990), (5, 3971994), (6, 3309995), (10, 1985997), (13, 1527690), (15, 1323998), (26, 763845), (30, 661999), (39, 509230), (65, 305538), (78, 254615), (130, 152769), (195, 101846), (390, 50923)]