19423803

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 30712320

約数和(自身を除く): 11288517

約数列:

[1, 3, 7, 21, 59, 61, 177, 183, 257, 413, 427, 771, 1239, 1281, 1799, 3599, 5397, 10797, 15163, 15677, 25193, 45489, 47031, 75579, 106141, 109739, 318423, 329217, 924943, 2774829, 6474601, 19423803]

約数ペア:

[(1, 19423803), (3, 6474601), (7, 2774829), (21, 924943), (59, 329217), (61, 318423), (177, 109739), (183, 106141), (257, 75579), (413, 47031), (427, 45489), (771, 25193), (1239, 15677), (1281, 15163), (1799, 10797), (3599, 5397)]