18906828

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1123}}^1$

素因数の和:1214

約数の個数: 48

約数和(自身を含む): 46830336

約数和(自身を除く): 27923508

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 61, 69, 92, 122, 138, 183, 244, 276, 366, 732, 1123, 1403, 2246, 2806, 3369, 4209, 4492, 5612, 6738, 8418, 13476, 16836, 25829, 51658, 68503, 77487, 103316, 137006, 154974, 205509, 274012, 309948, 411018, 822036, 1575569, 3151138, 4726707, 6302276, 9453414, 18906828]

約数ペア:

[(1, 18906828), (2, 9453414), (3, 6302276), (4, 4726707), (6, 3151138), (12, 1575569), (23, 822036), (46, 411018), (61, 309948), (69, 274012), (92, 205509), (122, 154974), (138, 137006), (183, 103316), (244, 77487), (276, 68503), (366, 51658), (732, 25829), (1123, 16836), (1403, 13476), (2246, 8418), (2806, 6738), (3369, 5612), (4209, 4492)]