17979990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{85619}}^1$

素因数の和:85636

約数の個数: 32

約数和(自身を含む): 49317120

約数和(自身を除く): 31337130

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 85619, 171238, 256857, 428095, 513714, 599333, 856190, 1198666, 1284285, 1797999, 2568570, 2996665, 3595998, 5993330, 8989995, 17979990]

約数ペア:

[(1, 17979990), (2, 8989995), (3, 5993330), (5, 3595998), (6, 2996665), (7, 2568570), (10, 1797999), (14, 1284285), (15, 1198666), (21, 856190), (30, 599333), (35, 513714), (42, 428095), (70, 256857), (105, 171238), (210, 85619)]