18444764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 36376032

約数和(自身を除く): 17931268

約数列:

[1, 2, 4, 13, 26, 43, 52, 73, 86, 113, 146, 172, 226, 292, 452, 559, 949, 1118, 1469, 1898, 2236, 2938, 3139, 3796, 4859, 5876, 6278, 8249, 9718, 12556, 16498, 19436, 32996, 40807, 63167, 81614, 107237, 126334, 163228, 214474, 252668, 354707, 428948, 709414, 1418828, 4611191, 9222382, 18444764]

約数ペア:

[(1, 18444764), (2, 9222382), (4, 4611191), (13, 1418828), (26, 709414), (43, 428948), (52, 354707), (73, 252668), (86, 214474), (113, 163228), (146, 126334), (172, 107237), (226, 81614), (292, 63167), (452, 40807), (559, 32996), (949, 19436), (1118, 16498), (1469, 12556), (1898, 9718), (2236, 8249), (2938, 6278), (3139, 5876), (3796, 4859)]