19816236

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 55159104

約数和(自身を除く): 35342868

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 163, 198, 307, 326, 396, 489, 614, 652, 921, 978, 1228, 1467, 1793, 1842, 1956, 2763, 2934, 3377, 3586, 3684, 5379, 5526, 5868, 6754, 7172, 10131, 10758, 11052, 13508, 16137, 20262, 21516, 30393, 32274, 40524, 50041, 60786, 64548, 100082, 121572, 150123, 200164, 300246, 450369, 550451, 600492, 900738, 1100902, 1651353, 1801476, 2201804, 3302706, 4954059, 6605412, 9908118, 19816236]

約数ペア:

[(1, 19816236), (2, 9908118), (3, 6605412), (4, 4954059), (6, 3302706), (9, 2201804), (11, 1801476), (12, 1651353), (18, 1100902), (22, 900738), (33, 600492), (36, 550451), (44, 450369), (66, 300246), (99, 200164), (132, 150123), (163, 121572), (198, 100082), (307, 64548), (326, 60786), (396, 50041), (489, 40524), (614, 32274), (652, 30393), (921, 21516), (978, 20262), (1228, 16137), (1467, 13508), (1793, 11052), (1842, 10758), (1956, 10131), (2763, 7172), (2934, 6754), (3377, 5868), (3586, 5526), (3684, 5379)]