19651425

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{4441}}^1$

素因数の和:4513

約数の個数: 24

約数和(自身を含む): 33048480

約数和(自身を除く): 13397055

約数列:

[1, 3, 5, 15, 25, 59, 75, 177, 295, 885, 1475, 4425, 4441, 13323, 22205, 66615, 111025, 262019, 333075, 786057, 1310095, 3930285, 6550475, 19651425]

約数ペア:

[(1, 19651425), (3, 6550475), (5, 3930285), (15, 1310095), (25, 786057), (59, 333075), (75, 262019), (177, 111025), (295, 66615), (885, 22205), (1475, 13323), (4425, 4441)]