19219365

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{947}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 37267776

約数和(自身を除く): 18048411

約数列:

[1, 3, 5, 9, 11, 15, 33, 41, 45, 55, 99, 123, 165, 205, 369, 451, 495, 615, 947, 1353, 1845, 2255, 2841, 4059, 4735, 6765, 8523, 10417, 14205, 20295, 31251, 38827, 42615, 52085, 93753, 116481, 156255, 194135, 349443, 427097, 468765, 582405, 1281291, 1747215, 2135485, 3843873, 6406455, 19219365]

約数ペア:

[(1, 19219365), (3, 6406455), (5, 3843873), (9, 2135485), (11, 1747215), (15, 1281291), (33, 582405), (41, 468765), (45, 427097), (55, 349443), (99, 194135), (123, 156255), (165, 116481), (205, 93753), (369, 52085), (451, 42615), (495, 38827), (615, 31251), (947, 20295), (1353, 14205), (1845, 10417), (2255, 8523), (2841, 6765), (4059, 4735)]