18769215

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 31150080

約数和(自身を除く): 12380865

約数列:

[1, 3, 5, 15, 47, 79, 141, 235, 237, 337, 395, 705, 1011, 1185, 1685, 3713, 5055, 11139, 15839, 18565, 26623, 47517, 55695, 79195, 79869, 133115, 237585, 399345, 1251281, 3753843, 6256405, 18769215]

約数ペア:

[(1, 18769215), (3, 6256405), (5, 3753843), (15, 1251281), (47, 399345), (79, 237585), (141, 133115), (235, 79869), (237, 79195), (337, 55695), (395, 47517), (705, 26623), (1011, 18565), (1185, 15839), (1685, 11139), (3713, 5055)]