18681446

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:241

約数の個数: 48

約数和(自身を含む): 35020800

約数和(自身を除く): 16339354

約数列:

[1, 2, 7, 14, 19, 38, 49, 79, 98, 127, 133, 158, 254, 266, 553, 889, 931, 1106, 1501, 1778, 1862, 2413, 3002, 3871, 4826, 6223, 7742, 10033, 10507, 12446, 16891, 20066, 21014, 33782, 70231, 73549, 118237, 140462, 147098, 190627, 236474, 381254, 491617, 983234, 1334389, 2668778, 9340723, 18681446]

約数ペア:

[(1, 18681446), (2, 9340723), (7, 2668778), (14, 1334389), (19, 983234), (38, 491617), (49, 381254), (79, 236474), (98, 190627), (127, 147098), (133, 140462), (158, 118237), (254, 73549), (266, 70231), (553, 33782), (889, 21014), (931, 20066), (1106, 16891), (1501, 12446), (1778, 10507), (1862, 10033), (2413, 7742), (3002, 6223), (3871, 4826)]