19972401

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 29491200

約数和(自身を除く): 9518799

約数列:

[1, 3, 19, 31, 57, 89, 93, 127, 267, 381, 589, 1691, 1767, 2413, 2759, 3937, 5073, 7239, 8277, 11303, 11811, 33909, 52421, 74803, 157263, 214757, 224409, 350393, 644271, 1051179, 6657467, 19972401]

約数ペア:

[(1, 19972401), (3, 6657467), (19, 1051179), (31, 644271), (57, 350393), (89, 224409), (93, 214757), (127, 157263), (267, 74803), (381, 52421), (589, 33909), (1691, 11811), (1767, 11303), (2413, 8277), (2759, 7239), (3937, 5073)]