18946728

素因数分解:

$2^3\times 3^2\times {\mathrm{79}}^1\times {\mathrm{3331}}^1$

素因数の和:3422

約数の個数: 48

約数和(自身を含む): 51979200

約数和(自身を除く): 33032472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 79, 158, 237, 316, 474, 632, 711, 948, 1422, 1896, 2844, 3331, 5688, 6662, 9993, 13324, 19986, 26648, 29979, 39972, 59958, 79944, 119916, 239832, 263149, 526298, 789447, 1052596, 1578894, 2105192, 2368341, 3157788, 4736682, 6315576, 9473364, 18946728]

約数ペア:

[(1, 18946728), (2, 9473364), (3, 6315576), (4, 4736682), (6, 3157788), (8, 2368341), (9, 2105192), (12, 1578894), (18, 1052596), (24, 789447), (36, 526298), (72, 263149), (79, 239832), (158, 119916), (237, 79944), (316, 59958), (474, 39972), (632, 29979), (711, 26648), (948, 19986), (1422, 13324), (1896, 9993), (2844, 6662), (3331, 5688)]