19620810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19819}}^1$

素因数の和:19843

約数の個数: 48

約数和(自身を含む): 55654560

約数和(自身を除く): 36033750

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 19819, 39638, 59457, 99095, 118914, 178371, 198190, 218009, 297285, 356742, 436018, 594570, 654027, 891855, 1090045, 1308054, 1783710, 1962081, 2180090, 3270135, 3924162, 6540270, 9810405, 19620810]

約数ペア:

[(1, 19620810), (2, 9810405), (3, 6540270), (5, 3924162), (6, 3270135), (9, 2180090), (10, 1962081), (11, 1783710), (15, 1308054), (18, 1090045), (22, 891855), (30, 654027), (33, 594570), (45, 436018), (55, 356742), (66, 297285), (90, 218009), (99, 198190), (110, 178371), (165, 118914), (198, 99095), (330, 59457), (495, 39638), (990, 19819)]