19810590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28711}}^1$

素因数の和:28744

約数の個数: 32

約数和(自身を含む): 49614336

約数和(自身を除く): 29803746

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 28711, 57422, 86133, 143555, 172266, 287110, 430665, 660353, 861330, 1320706, 1981059, 3301765, 3962118, 6603530, 9905295, 19810590]

約数ペア:

[(1, 19810590), (2, 9905295), (3, 6603530), (5, 3962118), (6, 3301765), (10, 1981059), (15, 1320706), (23, 861330), (30, 660353), (46, 430665), (69, 287110), (115, 172266), (138, 143555), (230, 86133), (345, 57422), (690, 28711)]