19746825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1297}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 38628480

約数和(自身を除く): 18881655

約数列:

[1, 3, 5, 7, 15, 21, 25, 29, 35, 75, 87, 105, 145, 175, 203, 435, 525, 609, 725, 1015, 1297, 2175, 3045, 3891, 5075, 6485, 9079, 15225, 19455, 27237, 32425, 37613, 45395, 97275, 112839, 136185, 188065, 226975, 263291, 564195, 680925, 789873, 940325, 1316455, 2820975, 3949365, 6582275, 19746825]

約数ペア:

[(1, 19746825), (3, 6582275), (5, 3949365), (7, 2820975), (15, 1316455), (21, 940325), (25, 789873), (29, 680925), (35, 564195), (75, 263291), (87, 226975), (105, 188065), (145, 136185), (175, 112839), (203, 97275), (435, 45395), (525, 37613), (609, 32425), (725, 27237), (1015, 19455), (1297, 15225), (2175, 9079), (3045, 6485), (3891, 5075)]