19398672

素因数分解:

$2^4\times 3^2\times {\mathrm{107}}^1\times {\mathrm{1259}}^1$

素因数の和:1380

約数の個数: 60

約数和(自身を含む): 54840240

約数和(自身を除く): 35441568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 107, 144, 214, 321, 428, 642, 856, 963, 1259, 1284, 1712, 1926, 2518, 2568, 3777, 3852, 5036, 5136, 7554, 7704, 10072, 11331, 15108, 15408, 20144, 22662, 30216, 45324, 60432, 90648, 134713, 181296, 269426, 404139, 538852, 808278, 1077704, 1212417, 1616556, 2155408, 2424834, 3233112, 4849668, 6466224, 9699336, 19398672]

約数ペア:

[(1, 19398672), (2, 9699336), (3, 6466224), (4, 4849668), (6, 3233112), (8, 2424834), (9, 2155408), (12, 1616556), (16, 1212417), (18, 1077704), (24, 808278), (36, 538852), (48, 404139), (72, 269426), (107, 181296), (144, 134713), (214, 90648), (321, 60432), (428, 45324), (642, 30216), (856, 22662), (963, 20144), (1259, 15408), (1284, 15108), (1712, 11331), (1926, 10072), (2518, 7704), (2568, 7554), (3777, 5136), (3852, 5036)]