18109208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 38949120

約数和(自身を除く): 20839912

約数列:

[1, 2, 4, 8, 13, 26, 31, 41, 52, 62, 82, 104, 124, 137, 164, 248, 274, 328, 403, 533, 548, 806, 1066, 1096, 1271, 1612, 1781, 2132, 2542, 3224, 3562, 4247, 4264, 5084, 5617, 7124, 8494, 10168, 11234, 14248, 16523, 16988, 22468, 33046, 33976, 44936, 55211, 66092, 73021, 110422, 132184, 146042, 174127, 220844, 292084, 348254, 441688, 584168, 696508, 1393016, 2263651, 4527302, 9054604, 18109208]

約数ペア:

[(1, 18109208), (2, 9054604), (4, 4527302), (8, 2263651), (13, 1393016), (26, 696508), (31, 584168), (41, 441688), (52, 348254), (62, 292084), (82, 220844), (104, 174127), (124, 146042), (137, 132184), (164, 110422), (248, 73021), (274, 66092), (328, 55211), (403, 44936), (533, 33976), (548, 33046), (806, 22468), (1066, 16988), (1096, 16523), (1271, 14248), (1612, 11234), (1781, 10168), (2132, 8494), (2542, 7124), (3224, 5617), (3562, 5084), (4247, 4264)]