18450615

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1579}}^1$

素因数の和:1647

約数の個数: 32

約数和(自身を含む): 31852800

約数和(自身を除く): 13402185

約数列:

[1, 3, 5, 15, 19, 41, 57, 95, 123, 205, 285, 615, 779, 1579, 2337, 3895, 4737, 7895, 11685, 23685, 30001, 64739, 90003, 150005, 194217, 323695, 450015, 971085, 1230041, 3690123, 6150205, 18450615]

約数ペア:

[(1, 18450615), (3, 6150205), (5, 3690123), (15, 1230041), (19, 971085), (41, 450015), (57, 323695), (95, 194217), (123, 150005), (205, 90003), (285, 64739), (615, 30001), (779, 23685), (1579, 11685), (2337, 7895), (3895, 4737)]