18768726

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 43718400

約数和(自身を除く): 24949674

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 59, 86, 118, 129, 137, 177, 258, 274, 354, 387, 411, 531, 774, 822, 1062, 1161, 1233, 1593, 2322, 2466, 2537, 3186, 3699, 5074, 5891, 7398, 7611, 8083, 11782, 15222, 16166, 17673, 22833, 24249, 35346, 45666, 48498, 53019, 68499, 72747, 106038, 136998, 145494, 159057, 218241, 318114, 347569, 436482, 695138, 1042707, 2085414, 3128121, 6256242, 9384363, 18768726]

約数ペア:

[(1, 18768726), (2, 9384363), (3, 6256242), (6, 3128121), (9, 2085414), (18, 1042707), (27, 695138), (43, 436482), (54, 347569), (59, 318114), (86, 218241), (118, 159057), (129, 145494), (137, 136998), (177, 106038), (258, 72747), (274, 68499), (354, 53019), (387, 48498), (411, 45666), (531, 35346), (774, 24249), (822, 22833), (1062, 17673), (1161, 16166), (1233, 15222), (1593, 11782), (2322, 8083), (2466, 7611), (2537, 7398), (3186, 5891), (3699, 5074)]