19630648

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 41990400

約数和(自身を除く): 22359752

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 71, 76, 107, 136, 142, 152, 214, 284, 323, 428, 568, 646, 856, 1207, 1292, 1349, 1819, 2033, 2414, 2584, 2698, 3638, 4066, 4828, 5396, 7276, 7597, 8132, 9656, 10792, 14552, 15194, 16264, 22933, 30388, 34561, 45866, 60776, 69122, 91732, 129149, 138244, 144343, 183464, 258298, 276488, 288686, 516596, 577372, 1033192, 1154744, 2453831, 4907662, 9815324, 19630648]

約数ペア:

[(1, 19630648), (2, 9815324), (4, 4907662), (8, 2453831), (17, 1154744), (19, 1033192), (34, 577372), (38, 516596), (68, 288686), (71, 276488), (76, 258298), (107, 183464), (136, 144343), (142, 138244), (152, 129149), (214, 91732), (284, 69122), (323, 60776), (428, 45866), (568, 34561), (646, 30388), (856, 22933), (1207, 16264), (1292, 15194), (1349, 14552), (1819, 10792), (2033, 9656), (2414, 8132), (2584, 7597), (2698, 7276), (3638, 5396), (4066, 4828)]