18902025

素因数分解:

$3^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{683}}^1$

素因数の和:743

約数の個数: 48

約数和(自身を含む): 35622720

約数和(自身を除く): 16720695

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 75, 123, 135, 205, 225, 369, 615, 675, 683, 1025, 1107, 1845, 2049, 3075, 3415, 5535, 6147, 9225, 10245, 17075, 18441, 27675, 28003, 30735, 51225, 84009, 92205, 140015, 153675, 252027, 420045, 461025, 700075, 756081, 1260135, 2100225, 3780405, 6300675, 18902025]

約数ペア:

[(1, 18902025), (3, 6300675), (5, 3780405), (9, 2100225), (15, 1260135), (25, 756081), (27, 700075), (41, 461025), (45, 420045), (75, 252027), (123, 153675), (135, 140015), (205, 92205), (225, 84009), (369, 51225), (615, 30735), (675, 28003), (683, 27675), (1025, 18441), (1107, 17075), (1845, 10245), (2049, 9225), (3075, 6147), (3415, 5535)]