18155060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11789}}^1$

素因数の和:11816

約数の個数: 48

約数和(自身を含む): 47537280

約数和(自身を除く): 29382220

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 11789, 23578, 47156, 58945, 82523, 117890, 129679, 165046, 235780, 259358, 330092, 412615, 518716, 648395, 825230, 907753, 1296790, 1650460, 1815506, 2593580, 3631012, 4538765, 9077530, 18155060]

約数ペア:

[(1, 18155060), (2, 9077530), (4, 4538765), (5, 3631012), (7, 2593580), (10, 1815506), (11, 1650460), (14, 1296790), (20, 907753), (22, 825230), (28, 648395), (35, 518716), (44, 412615), (55, 330092), (70, 259358), (77, 235780), (110, 165046), (140, 129679), (154, 117890), (220, 82523), (308, 58945), (385, 47156), (770, 23578), (1540, 11789)]