18550935

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1669}}^1$

素因数の和:1712

約数の個数: 48

約数和(自身を含む): 36472800

約数和(自身を除く): 17921865

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 1669, 2223, 3705, 5007, 8345, 11115, 15021, 21697, 25035, 31711, 65091, 75105, 95133, 108485, 158555, 195273, 285399, 325455, 412243, 475665, 976365, 1236729, 1426995, 2061215, 3710187, 6183645, 18550935]

約数ペア:

[(1, 18550935), (3, 6183645), (5, 3710187), (9, 2061215), (13, 1426995), (15, 1236729), (19, 976365), (39, 475665), (45, 412243), (57, 325455), (65, 285399), (95, 195273), (117, 158555), (171, 108485), (195, 95133), (247, 75105), (285, 65091), (585, 31711), (741, 25035), (855, 21697), (1235, 15021), (1669, 11115), (2223, 8345), (3705, 5007)]