18809826

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{467}}^1$

素因数の和:623

約数の個数: 48

約数和(自身を含む): 44175456

約数和(自身を除く): 25365630

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 137, 147, 274, 294, 411, 467, 822, 934, 959, 1401, 1918, 2802, 2877, 3269, 5754, 6538, 6713, 9807, 13426, 19614, 20139, 22883, 40278, 45766, 63979, 68649, 127958, 137298, 191937, 383874, 447853, 895706, 1343559, 2687118, 3134971, 6269942, 9404913, 18809826]

約数ペア:

[(1, 18809826), (2, 9404913), (3, 6269942), (6, 3134971), (7, 2687118), (14, 1343559), (21, 895706), (42, 447853), (49, 383874), (98, 191937), (137, 137298), (147, 127958), (274, 68649), (294, 63979), (411, 45766), (467, 40278), (822, 22883), (934, 20139), (959, 19614), (1401, 13426), (1918, 9807), (2802, 6713), (2877, 6538), (3269, 5754)]