19560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1$

素因数の和:177

約数の個数: 32

約数和(自身を含む): 59040

約数和(自身を除く): 39480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1304, 1630, 1956, 2445, 3260, 3912, 4890, 6520, 9780, 19560]

約数ペア:

[(1, 19560), (2, 9780), (3, 6520), (4, 4890), (5, 3912), (6, 3260), (8, 2445), (10, 1956), (12, 1630), (15, 1304), (20, 978), (24, 815), (30, 652), (40, 489), (60, 326), (120, 163)]