19340991

素因数分解:

$3^3\times {\mathrm{659}}^1\times {\mathrm{1087}}^1$

素因数の和:1755

約数の個数: 16

約数和(自身を含む): 28723200

約数和(自身を除く): 9382209

約数列:

[1, 3, 9, 27, 659, 1087, 1977, 3261, 5931, 9783, 17793, 29349, 716333, 2148999, 6446997, 19340991]

約数ペア:

[(1, 19340991), (3, 6446997), (9, 2148999), (27, 716333), (659, 29349), (1087, 17793), (1977, 9783), (3261, 5931)]