19730810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{991}}^1$

素因数の和:1190

約数の個数: 32

約数和(自身を含む): 38997504

約数和(自身を除く): 19266694

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181, 362, 905, 991, 1810, 1982, 1991, 3982, 4955, 9910, 9955, 10901, 19910, 21802, 54505, 109010, 179371, 358742, 896855, 1793710, 1973081, 3946162, 9865405, 19730810]

約数ペア:

[(1, 19730810), (2, 9865405), (5, 3946162), (10, 1973081), (11, 1793710), (22, 896855), (55, 358742), (110, 179371), (181, 109010), (362, 54505), (905, 21802), (991, 19910), (1810, 10901), (1982, 9955), (1991, 9910), (3982, 4955)]