18937282

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1553}}^1$

素因数の和:1642

約数の個数: 32

約数和(自身を含む): 35505792

約数和(自身を除く): 16568510

約数列:

[1, 2, 7, 13, 14, 26, 67, 91, 134, 182, 469, 871, 938, 1553, 1742, 3106, 6097, 10871, 12194, 20189, 21742, 40378, 104051, 141323, 208102, 282646, 728357, 1352663, 1456714, 2705326, 9468641, 18937282]

約数ペア:

[(1, 18937282), (2, 9468641), (7, 2705326), (13, 1456714), (14, 1352663), (26, 728357), (67, 282646), (91, 208102), (134, 141323), (182, 104051), (469, 40378), (871, 21742), (938, 20189), (1553, 12194), (1742, 10871), (3106, 6097)]