19918038

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1321}}^1$

素因数の和:1692

約数の個数: 32

約数和(自身を含む): 45688320

約数和(自身を除く): 25770282

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 359, 718, 1077, 1321, 2154, 2513, 2642, 3963, 5026, 7539, 7926, 9247, 15078, 18494, 27741, 55482, 474239, 948478, 1422717, 2845434, 3319673, 6639346, 9959019, 19918038]

約数ペア:

[(1, 19918038), (2, 9959019), (3, 6639346), (6, 3319673), (7, 2845434), (14, 1422717), (21, 948478), (42, 474239), (359, 55482), (718, 27741), (1077, 18494), (1321, 15078), (2154, 9247), (2513, 7926), (2642, 7539), (3963, 5026)]