19535450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{3229}}^1$

素因数の和:3263

約数の個数: 36

約数和(自身を含む): 39951870

約数和(自身を除く): 20416420

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 242, 275, 550, 605, 1210, 3025, 3229, 6050, 6458, 16145, 32290, 35519, 71038, 80725, 161450, 177595, 355190, 390709, 781418, 887975, 1775950, 1953545, 3907090, 9767725, 19535450]

約数ペア:

[(1, 19535450), (2, 9767725), (5, 3907090), (10, 1953545), (11, 1775950), (22, 887975), (25, 781418), (50, 390709), (55, 355190), (110, 177595), (121, 161450), (242, 80725), (275, 71038), (550, 35519), (605, 32290), (1210, 16145), (3025, 6458), (3229, 6050)]