19215180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{106751}}^1$

素因数の和:106766

約数の個数: 36

約数和(自身を含む): 58286592

約数和(自身を除く): 39071412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 106751, 213502, 320253, 427004, 533755, 640506, 960759, 1067510, 1281012, 1601265, 1921518, 2135020, 3202530, 3843036, 4803795, 6405060, 9607590, 19215180]

約数ペア:

[(1, 19215180), (2, 9607590), (3, 6405060), (4, 4803795), (5, 3843036), (6, 3202530), (9, 2135020), (10, 1921518), (12, 1601265), (15, 1281012), (18, 1067510), (20, 960759), (30, 640506), (36, 533755), (45, 427004), (60, 320253), (90, 213502), (180, 106751)]