18916926

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{450403}}^1$

素因数の和:450415

約数の個数: 16

約数和(自身を含む): 43238784

約数和(自身を除く): 24321858

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 450403, 900806, 1351209, 2702418, 3152821, 6305642, 9458463, 18916926]

約数ペア:

[(1, 18916926), (2, 9458463), (3, 6305642), (6, 3152821), (7, 2702418), (14, 1351209), (21, 900806), (42, 450403)]