18002025

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4211}}^1$

素因数の和:4246

約数の個数: 36

約数和(自身を含む): 33948720

約数和(自身を除く): 15946695

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4211, 4275, 12633, 21055, 37899, 63165, 80009, 105275, 189495, 240027, 315825, 400045, 720081, 947475, 1200135, 2000225, 3600405, 6000675, 18002025]

約数ペア:

[(1, 18002025), (3, 6000675), (5, 3600405), (9, 2000225), (15, 1200135), (19, 947475), (25, 720081), (45, 400045), (57, 315825), (75, 240027), (95, 189495), (171, 105275), (225, 80009), (285, 63165), (475, 37899), (855, 21055), (1425, 12633), (4211, 4275)]