19668525

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{9043}}^1$

素因数の和:9085

約数の個数: 24

約数和(自身を含む): 33643680

約数和(自身を除く): 13975155

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 9043, 27129, 45215, 135645, 226075, 262247, 678225, 786741, 1311235, 3933705, 6556175, 19668525]

約数ペア:

[(1, 19668525), (3, 6556175), (5, 3933705), (15, 1311235), (25, 786741), (29, 678225), (75, 262247), (87, 226075), (145, 135645), (435, 45215), (725, 27129), (2175, 9043)]