19440900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{21601}}^1$

素因数の和:21621

約数の個数: 54

約数和(自身を含む): 60939242

約数和(自身を除く): 41498342

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 21601, 43202, 64803, 86404, 108005, 129606, 194409, 216010, 259212, 324015, 388818, 432020, 540025, 648030, 777636, 972045, 1080050, 1296060, 1620075, 1944090, 2160100, 3240150, 3888180, 4860225, 6480300, 9720450, 19440900]

約数ペア:

[(1, 19440900), (2, 9720450), (3, 6480300), (4, 4860225), (5, 3888180), (6, 3240150), (9, 2160100), (10, 1944090), (12, 1620075), (15, 1296060), (18, 1080050), (20, 972045), (25, 777636), (30, 648030), (36, 540025), (45, 432020), (50, 388818), (60, 324015), (75, 259212), (90, 216010), (100, 194409), (150, 129606), (180, 108005), (225, 86404), (300, 64803), (450, 43202), (900, 21601)]