19824200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{9011}}^1$

素因数の和:9038

約数の個数: 48

約数和(自身を含む): 50286960

約数和(自身を除く): 30462760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 9011, 18022, 36044, 45055, 72088, 90110, 99121, 180220, 198242, 225275, 360440, 396484, 450550, 495605, 792968, 901100, 991210, 1802200, 1982420, 2478025, 3964840, 4956050, 9912100, 19824200]

約数ペア:

[(1, 19824200), (2, 9912100), (4, 4956050), (5, 3964840), (8, 2478025), (10, 1982420), (11, 1802200), (20, 991210), (22, 901100), (25, 792968), (40, 495605), (44, 450550), (50, 396484), (55, 360440), (88, 225275), (100, 198242), (110, 180220), (200, 99121), (220, 90110), (275, 72088), (440, 45055), (550, 36044), (1100, 18022), (2200, 9011)]