18054988

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4639}}^1$

素因数の和:4789

約数の個数: 24

約数和(自身を含む): 36377600

約数和(自身を除く): 18322612

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 4639, 9278, 18556, 32473, 64946, 129892, 644821, 1289642, 2579284, 4513747, 9027494, 18054988]

約数ペア:

[(1, 18054988), (2, 9027494), (4, 4513747), (7, 2579284), (14, 1289642), (28, 644821), (139, 129892), (278, 64946), (556, 32473), (973, 18556), (1946, 9278), (3892, 4639)]