16428388

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:440

約数の個数: 36

約数和(自身を含む): 31406592

約数和(自身を除く): 14978204

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 361, 367, 589, 722, 734, 1178, 1444, 1468, 2356, 6973, 11191, 11377, 13946, 22382, 22754, 27892, 44764, 45508, 132487, 216163, 264974, 432326, 529948, 864652, 4107097, 8214194, 16428388]

約数ペア:

[(1, 16428388), (2, 8214194), (4, 4107097), (19, 864652), (31, 529948), (38, 432326), (62, 264974), (76, 216163), (124, 132487), (361, 45508), (367, 44764), (589, 27892), (722, 22754), (734, 22382), (1178, 13946), (1444, 11377), (1468, 11191), (2356, 6973)]