17983998

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{9001}}^1$

素因数の和:9049

約数の個数: 32

約数和(自身を含む): 41049120

約数和(自身を除く): 23065122

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 9001, 18002, 27003, 54006, 81009, 162018, 243027, 333037, 486054, 666074, 999111, 1998222, 2997333, 5994666, 8991999, 17983998]

約数ペア:

[(1, 17983998), (2, 8991999), (3, 5994666), (6, 2997333), (9, 1998222), (18, 999111), (27, 666074), (37, 486054), (54, 333037), (74, 243027), (111, 162018), (222, 81009), (333, 54006), (666, 27003), (999, 18002), (1998, 9001)]