19738328

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{571}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 38610000

約数和(自身を除く): 18871672

約数列:

[1, 2, 4, 8, 29, 58, 116, 149, 232, 298, 571, 596, 1142, 1192, 2284, 4321, 4568, 8642, 16559, 17284, 33118, 34568, 66236, 85079, 132472, 170158, 340316, 680632, 2467291, 4934582, 9869164, 19738328]

約数ペア:

[(1, 19738328), (2, 9869164), (4, 4934582), (8, 2467291), (29, 680632), (58, 340316), (116, 170158), (149, 132472), (232, 85079), (298, 66236), (571, 34568), (596, 33118), (1142, 17284), (1192, 16559), (2284, 8642), (4321, 4568)]