19949814

素因数分解:

$2^1\times 3^7\times {\mathrm{4561}}^1$

素因数の和:4584

約数の個数: 32

約数和(自身を含む): 44890080

約数和(自身を除く): 24940266

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 2187, 4374, 4561, 9122, 13683, 27366, 41049, 82098, 123147, 246294, 369441, 738882, 1108323, 2216646, 3324969, 6649938, 9974907, 19949814]

約数ペア:

[(1, 19949814), (2, 9974907), (3, 6649938), (6, 3324969), (9, 2216646), (18, 1108323), (27, 738882), (54, 369441), (81, 246294), (162, 123147), (243, 82098), (486, 41049), (729, 27366), (1458, 13683), (2187, 9122), (4374, 4561)]