19841295

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 35366400

約数和(自身を除く): 15525105

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 199, 255, 289, 345, 391, 597, 867, 995, 1173, 1445, 1955, 2985, 3383, 4335, 4577, 5865, 6647, 10149, 13731, 16915, 19941, 22885, 33235, 50745, 57511, 68655, 77809, 99705, 172533, 233427, 287555, 389045, 862665, 1167135, 1322753, 3968259, 6613765, 19841295]

約数ペア:

[(1, 19841295), (3, 6613765), (5, 3968259), (15, 1322753), (17, 1167135), (23, 862665), (51, 389045), (69, 287555), (85, 233427), (115, 172533), (199, 99705), (255, 77809), (289, 68655), (345, 57511), (391, 50745), (597, 33235), (867, 22885), (995, 19941), (1173, 16915), (1445, 13731), (1955, 10149), (2985, 6647), (3383, 5865), (4335, 4577)]