19337864

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 45239040

約数和(自身を除く): 25901176

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 101, 104, 182, 202, 263, 364, 404, 526, 707, 728, 808, 1052, 1313, 1414, 1841, 2104, 2626, 2828, 3419, 3682, 5252, 5656, 6838, 7364, 9191, 10504, 13676, 14728, 18382, 23933, 26563, 27352, 36764, 47866, 53126, 73528, 95732, 106252, 185941, 191464, 212504, 345319, 371882, 690638, 743764, 1381276, 1487528, 2417233, 2762552, 4834466, 9668932, 19337864]

約数ペア:

[(1, 19337864), (2, 9668932), (4, 4834466), (7, 2762552), (8, 2417233), (13, 1487528), (14, 1381276), (26, 743764), (28, 690638), (52, 371882), (56, 345319), (91, 212504), (101, 191464), (104, 185941), (182, 106252), (202, 95732), (263, 73528), (364, 53126), (404, 47866), (526, 36764), (707, 27352), (728, 26563), (808, 23933), (1052, 18382), (1313, 14728), (1414, 13676), (1841, 10504), (2104, 9191), (2626, 7364), (2828, 6838), (3419, 5656), (3682, 5252)]