19293265

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 25920000

約数和(自身を除く): 6626735

約数列:

[1, 5, 19, 29, 47, 95, 145, 149, 235, 551, 745, 893, 1363, 2755, 2831, 4321, 4465, 6815, 7003, 14155, 21605, 25897, 35015, 82099, 129485, 133057, 203087, 410495, 665285, 1015435, 3858653, 19293265]

約数ペア:

[(1, 19293265), (5, 3858653), (19, 1015435), (29, 665285), (47, 410495), (95, 203087), (145, 133057), (149, 129485), (235, 82099), (551, 35015), (745, 25897), (893, 21605), (1363, 14155), (2755, 7003), (2831, 6815), (4321, 4465)]