18402645

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1301}}^1$

素因数の和:1373

約数の個数: 32

約数和(自身を含む): 31497984

約数和(自身を除く): 13095339

約数列:

[1, 3, 5, 15, 23, 41, 69, 115, 123, 205, 345, 615, 943, 1301, 2829, 3903, 4715, 6505, 14145, 19515, 29923, 53341, 89769, 149615, 160023, 266705, 448845, 800115, 1226843, 3680529, 6134215, 18402645]

約数ペア:

[(1, 18402645), (3, 6134215), (5, 3680529), (15, 1226843), (23, 800115), (41, 448845), (69, 266705), (115, 160023), (123, 149615), (205, 89769), (345, 53341), (615, 29923), (943, 19515), (1301, 14145), (2829, 6505), (3903, 4715)]