18329205

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{881}}^1$

素因数の和:981

約数の個数: 32

約数和(自身を含む): 31328640

約数和(自身を除く): 12999435

約数列:

[1, 3, 5, 15, 19, 57, 73, 95, 219, 285, 365, 881, 1095, 1387, 2643, 4161, 4405, 6935, 13215, 16739, 20805, 50217, 64313, 83695, 192939, 251085, 321565, 964695, 1221947, 3665841, 6109735, 18329205]

約数ペア:

[(1, 18329205), (3, 6109735), (5, 3665841), (15, 1221947), (19, 964695), (57, 321565), (73, 251085), (95, 192939), (219, 83695), (285, 64313), (365, 50217), (881, 20805), (1095, 16739), (1387, 13215), (2643, 6935), (4161, 4405)]