19502010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19699}}^1$

素因数の和:19723

約数の個数: 48

約数和(自身を含む): 55317600

約数和(自身を除く): 35815590

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, 19699, 39398, 59097, 98495, 118194, 177291, 196990, 216689, 295485, 354582, 433378, 590970, 650067, 886455, 1083445, 1300134, 1772910, 1950201, 2166890, 3250335, 3900402, 6500670, 9751005, 19502010]

約数ペア:

[(1, 19502010), (2, 9751005), (3, 6500670), (5, 3900402), (6, 3250335), (9, 2166890), (10, 1950201), (11, 1772910), (15, 1300134), (18, 1083445), (22, 886455), (30, 650067), (33, 590970), (45, 433378), (55, 354582), (66, 295485), (90, 216689), (99, 196990), (110, 177291), (165, 118194), (198, 98495), (330, 59097), (495, 39398), (990, 19699)]