19431252

素因数分解:

$2^2\times 3^5\times {\mathrm{19991}}^1$

素因数の和:20010

約数の個数: 36

約数和(自身を含む): 50939616

約数和(自身を除く): 31508364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 19991, 39982, 59973, 79964, 119946, 179919, 239892, 359838, 539757, 719676, 1079514, 1619271, 2159028, 3238542, 4857813, 6477084, 9715626, 19431252]

約数ペア:

[(1, 19431252), (2, 9715626), (3, 6477084), (4, 4857813), (6, 3238542), (9, 2159028), (12, 1619271), (18, 1079514), (27, 719676), (36, 539757), (54, 359838), (81, 239892), (108, 179919), (162, 119946), (243, 79964), (324, 59973), (486, 39982), (972, 19991)]