19604990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{359}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 16890370

約数列:

[1, 2, 5, 10, 43, 86, 127, 215, 254, 359, 430, 635, 718, 1270, 1795, 3590, 5461, 10922, 15437, 27305, 30874, 45593, 54610, 77185, 91186, 154370, 227965, 455930, 1960499, 3920998, 9802495, 19604990]

約数ペア:

[(1, 19604990), (2, 9802495), (5, 3920998), (10, 1960499), (43, 455930), (86, 227965), (127, 154370), (215, 91186), (254, 77185), (359, 54610), (430, 45593), (635, 30874), (718, 27305), (1270, 15437), (1795, 10922), (3590, 5461)]