18502743

素因数分解:

$3^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{659}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 28892160

約数和(自身を除く): 10389417

約数列:

[1, 3, 7, 21, 49, 147, 191, 573, 659, 1337, 1977, 4011, 4613, 9359, 13839, 28077, 32291, 96873, 125869, 377607, 881083, 2643249, 6167581, 18502743]

約数ペア:

[(1, 18502743), (3, 6167581), (7, 2643249), (21, 881083), (49, 377607), (147, 125869), (191, 96873), (573, 32291), (659, 28077), (1337, 13839), (1977, 9359), (4011, 4613)]