18974230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{953}}^1$

素因数の和:1152

約数の個数: 32

約数和(自身を含む): 37503648

約数和(自身を除く): 18529418

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181, 362, 905, 953, 1810, 1906, 1991, 3982, 4765, 9530, 9955, 10483, 19910, 20966, 52415, 104830, 172493, 344986, 862465, 1724930, 1897423, 3794846, 9487115, 18974230]

約数ペア:

[(1, 18974230), (2, 9487115), (5, 3794846), (10, 1897423), (11, 1724930), (22, 862465), (55, 344986), (110, 172493), (181, 104830), (362, 52415), (905, 20966), (953, 19910), (1810, 10483), (1906, 9955), (1991, 9530), (3982, 4765)]