19781644218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{760891}}^1$

素因数の和:761522

約数の個数: 32

約数和(自身を含む): 45288291840

約数和(自身を除く): 25506647622

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 619, 1238, 1857, 3714, 4333, 8666, 12999, 25998, 760891, 1521782, 2282673, 4565346, 5326237, 10652474, 15978711, 31957422, 470991529, 941983058, 1412974587, 2825949174, 3296940703, 6593881406, 9890822109, 19781644218]

約数ペア:

[(1, 19781644218), (2, 9890822109), (3, 6593881406), (6, 3296940703), (7, 2825949174), (14, 1412974587), (21, 941983058), (42, 470991529), (619, 31957422), (1238, 15978711), (1857, 10652474), (3714, 5326237), (4333, 4565346), (8666, 2282673), (12999, 1521782), (25998, 760891)]