19228029

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 27869184

約数和(自身を除く): 8641155

約数列:

[1, 3, 31, 47, 53, 83, 93, 141, 159, 249, 1457, 1643, 2491, 2573, 3901, 4371, 4399, 4929, 7473, 7719, 11703, 13197, 77221, 120931, 136369, 206753, 231663, 362793, 409107, 620259, 6409343, 19228029]

約数ペア:

[(1, 19228029), (3, 6409343), (31, 620259), (47, 409107), (53, 362793), (83, 231663), (93, 206753), (141, 136369), (159, 120931), (249, 77221), (1457, 13197), (1643, 11703), (2491, 7719), (2573, 7473), (3901, 4929), (4371, 4399)]