18700595

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 25214976

約数和(自身を除く): 6514381

約数列:

[1, 5, 17, 31, 47, 85, 151, 155, 235, 527, 755, 799, 1457, 2567, 2635, 3995, 4681, 7097, 7285, 12835, 23405, 24769, 35485, 79577, 120649, 123845, 220007, 397885, 603245, 1100035, 3740119, 18700595]

約数ペア:

[(1, 18700595), (5, 3740119), (17, 1100035), (31, 603245), (47, 397885), (85, 220007), (151, 123845), (155, 120649), (235, 79577), (527, 35485), (755, 24769), (799, 23405), (1457, 12835), (2567, 7285), (2635, 7097), (3995, 4681)]