19941690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28901}}^1$

素因数の和:28934

約数の個数: 32

約数和(自身を含む): 49942656

約数和(自身を除く): 30000966

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 28901, 57802, 86703, 144505, 173406, 289010, 433515, 664723, 867030, 1329446, 1994169, 3323615, 3988338, 6647230, 9970845, 19941690]

約数ペア:

[(1, 19941690), (2, 9970845), (3, 6647230), (5, 3988338), (6, 3323615), (10, 1994169), (15, 1329446), (23, 867030), (30, 664723), (46, 433515), (69, 289010), (115, 173406), (138, 144505), (230, 86703), (345, 57802), (690, 28901)]