19955910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51169}}^1$

素因数の和:51192

約数の個数: 32

約数和(自身を含む): 51579360

約数和(自身を除く): 31623450

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 51169, 102338, 153507, 255845, 307014, 511690, 665197, 767535, 1330394, 1535070, 1995591, 3325985, 3991182, 6651970, 9977955, 19955910]

約数ペア:

[(1, 19955910), (2, 9977955), (3, 6651970), (5, 3991182), (6, 3325985), (10, 1995591), (13, 1535070), (15, 1330394), (26, 767535), (30, 665197), (39, 511690), (65, 307014), (78, 255845), (130, 153507), (195, 102338), (390, 51169)]