19971588

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18289}}^1$

素因数の和:18316

約数の個数: 48

約数和(自身を含む): 57357440

約数和(自身を除く): 37385852

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 18289, 36578, 54867, 73156, 109734, 128023, 219468, 237757, 256046, 384069, 475514, 512092, 713271, 768138, 951028, 1426542, 1536276, 1664299, 2853084, 3328598, 4992897, 6657196, 9985794, 19971588]

約数ペア:

[(1, 19971588), (2, 9985794), (3, 6657196), (4, 4992897), (6, 3328598), (7, 2853084), (12, 1664299), (13, 1536276), (14, 1426542), (21, 951028), (26, 768138), (28, 713271), (39, 512092), (42, 475514), (52, 384069), (78, 256046), (84, 237757), (91, 219468), (156, 128023), (182, 109734), (273, 73156), (364, 54867), (546, 36578), (1092, 18289)]