18938115

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1019}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 38188800

約数和(自身を除く): 19250685

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 59, 63, 105, 177, 295, 315, 413, 531, 885, 1019, 1239, 2065, 2655, 3057, 3717, 5095, 6195, 7133, 9171, 15285, 18585, 21399, 35665, 45855, 60121, 64197, 106995, 180363, 300605, 320985, 420847, 541089, 901815, 1262541, 2104235, 2705445, 3787623, 6312705, 18938115]

約数ペア:

[(1, 18938115), (3, 6312705), (5, 3787623), (7, 2705445), (9, 2104235), (15, 1262541), (21, 901815), (35, 541089), (45, 420847), (59, 320985), (63, 300605), (105, 180363), (177, 106995), (295, 64197), (315, 60121), (413, 45855), (531, 35665), (885, 21399), (1019, 18585), (1239, 15285), (2065, 9171), (2655, 7133), (3057, 6195), (3717, 5095)]