18894915

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32299}}^1$

素因数の和:32323

約数の個数: 24

約数和(自身を含む): 35271600

約数和(自身を除く): 16376685

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 32299, 96897, 161495, 290691, 419887, 484485, 1259661, 1453455, 2099435, 3778983, 6298305, 18894915]

約数ペア:

[(1, 18894915), (3, 6298305), (5, 3778983), (9, 2099435), (13, 1453455), (15, 1259661), (39, 484485), (45, 419887), (65, 290691), (117, 161495), (195, 96897), (585, 32299)]