19657764

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{78007}}^1$

素因数の和:78024

約数の個数: 36

約数和(自身を含む): 56789824

約数和(自身を除く): 37132060

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 78007, 156014, 234021, 312028, 468042, 546049, 702063, 936084, 1092098, 1404126, 1638147, 2184196, 2808252, 3276294, 4914441, 6552588, 9828882, 19657764]

約数ペア:

[(1, 19657764), (2, 9828882), (3, 6552588), (4, 4914441), (6, 3276294), (7, 2808252), (9, 2184196), (12, 1638147), (14, 1404126), (18, 1092098), (21, 936084), (28, 702063), (36, 546049), (42, 468042), (63, 312028), (84, 234021), (126, 156014), (252, 78007)]