10001988

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{2503}}^1$

素因数の和:2553

約数の個数: 48

約数和(自身を含む): 26642560

約数和(自身を除く): 16640572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 2503, 3996, 5006, 7509, 10012, 15018, 22527, 30036, 45054, 67581, 90108, 92611, 135162, 185222, 270324, 277833, 370444, 555666, 833499, 1111332, 1666998, 2500497, 3333996, 5000994, 10001988]

約数ペア:

[(1, 10001988), (2, 5000994), (3, 3333996), (4, 2500497), (6, 1666998), (9, 1111332), (12, 833499), (18, 555666), (27, 370444), (36, 277833), (37, 270324), (54, 185222), (74, 135162), (108, 92611), (111, 90108), (148, 67581), (222, 45054), (333, 30036), (444, 22527), (666, 15018), (999, 10012), (1332, 7509), (1998, 5006), (2503, 3996)]