19494501

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 29632512

約数和(自身を除く): 10138011

約数列:

[1, 3, 13, 23, 39, 69, 103, 211, 299, 309, 633, 897, 1339, 2369, 2743, 4017, 4853, 7107, 8229, 14559, 21733, 30797, 63089, 65199, 92391, 189267, 282529, 499859, 847587, 1499577, 6498167, 19494501]

約数ペア:

[(1, 19494501), (3, 6498167), (13, 1499577), (23, 847587), (39, 499859), (69, 282529), (103, 189267), (211, 92391), (299, 65199), (309, 63089), (633, 30797), (897, 21733), (1339, 14559), (2369, 8229), (2743, 7107), (4017, 4853)]