18730992

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:646

約数の個数: 80

約数和(自身を含む): 55924992

約数和(自身を除く): 37194000

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 107, 112, 168, 214, 321, 336, 428, 521, 642, 749, 856, 1042, 1284, 1498, 1563, 1712, 2084, 2247, 2568, 2996, 3126, 3647, 4168, 4494, 5136, 5992, 6252, 7294, 8336, 8988, 10941, 11984, 12504, 14588, 17976, 21882, 25008, 29176, 35952, 43764, 55747, 58352, 87528, 111494, 167241, 175056, 222988, 334482, 390229, 445976, 668964, 780458, 891952, 1170687, 1337928, 1560916, 2341374, 2675856, 3121832, 4682748, 6243664, 9365496, 18730992]

約数ペア:

[(1, 18730992), (2, 9365496), (3, 6243664), (4, 4682748), (6, 3121832), (7, 2675856), (8, 2341374), (12, 1560916), (14, 1337928), (16, 1170687), (21, 891952), (24, 780458), (28, 668964), (42, 445976), (48, 390229), (56, 334482), (84, 222988), (107, 175056), (112, 167241), (168, 111494), (214, 87528), (321, 58352), (336, 55747), (428, 43764), (521, 35952), (642, 29176), (749, 25008), (856, 21882), (1042, 17976), (1284, 14588), (1498, 12504), (1563, 11984), (1712, 10941), (2084, 8988), (2247, 8336), (2568, 7294), (2996, 6252), (3126, 5992), (3647, 5136), (4168, 4494)]