19581426

素因数分解:

$2^1\times 3^5\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:997

約数の個数: 48

約数和(自身を含む): 45069024

約数和(自身を除く): 25487598

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 162, 243, 258, 387, 486, 774, 937, 1161, 1874, 2322, 2811, 3483, 5622, 6966, 8433, 10449, 16866, 20898, 25299, 40291, 50598, 75897, 80582, 120873, 151794, 227691, 241746, 362619, 455382, 725238, 1087857, 2175714, 3263571, 6527142, 9790713, 19581426]

約数ペア:

[(1, 19581426), (2, 9790713), (3, 6527142), (6, 3263571), (9, 2175714), (18, 1087857), (27, 725238), (43, 455382), (54, 362619), (81, 241746), (86, 227691), (129, 151794), (162, 120873), (243, 80582), (258, 75897), (387, 50598), (486, 40291), (774, 25299), (937, 20898), (1161, 16866), (1874, 10449), (2322, 8433), (2811, 6966), (3483, 5622)]