19998583003

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{2053}}^1\times {\mathrm{3259}}^1$

素因数の和:5387

約数の個数: 24

約数和(自身を含む): 23663805360

約数和(自身を除く): 3665222357

約数列:

[1, 7, 49, 61, 427, 2053, 2989, 3259, 14371, 22813, 100597, 125233, 159691, 198799, 876631, 1391593, 6136417, 6690727, 9741151, 46835089, 327845623, 408134347, 2856940429, 19998583003]

約数ペア:

[(1, 19998583003), (7, 2856940429), (49, 408134347), (61, 327845623), (427, 46835089), (2053, 9741151), (2989, 6690727), (3259, 6136417), (14371, 1391593), (22813, 876631), (100597, 198799), (125233, 159691)]