18650313

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 31150080

約数和(自身を除く): 12499767

約数列:

[1, 3, 9, 11, 31, 33, 59, 93, 99, 103, 177, 279, 309, 341, 531, 649, 927, 1023, 1133, 1829, 1947, 3069, 3193, 3399, 5487, 5841, 6077, 9579, 10197, 16461, 18231, 20119, 28737, 35123, 54693, 60357, 66847, 105369, 181071, 188387, 200541, 316107, 565161, 601623, 1695483, 2072257, 6216771, 18650313]

約数ペア:

[(1, 18650313), (3, 6216771), (9, 2072257), (11, 1695483), (31, 601623), (33, 565161), (59, 316107), (93, 200541), (99, 188387), (103, 181071), (177, 105369), (279, 66847), (309, 60357), (341, 54693), (531, 35123), (649, 28737), (927, 20119), (1023, 18231), (1133, 16461), (1829, 10197), (1947, 9579), (3069, 6077), (3193, 5841), (3399, 5487)]