19379395

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 28033920

約数和(自身を除く): 8654525

約数列:

[1, 5, 7, 29, 35, 61, 145, 203, 305, 313, 427, 1015, 1565, 1769, 2135, 2191, 8845, 9077, 10955, 12383, 19093, 45385, 61915, 63539, 95465, 133651, 317695, 553697, 668255, 2768485, 3875879, 19379395]

約数ペア:

[(1, 19379395), (5, 3875879), (7, 2768485), (29, 668255), (35, 553697), (61, 317695), (145, 133651), (203, 95465), (305, 63539), (313, 61915), (427, 45385), (1015, 19093), (1565, 12383), (1769, 10955), (2135, 9077), (2191, 8845)]