19523955

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 35546112

約数和(自身を除く): 16022157

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 121, 155, 165, 341, 347, 363, 465, 605, 1023, 1041, 1705, 1735, 1815, 3751, 3817, 5115, 5205, 10757, 11253, 11451, 18755, 19085, 32271, 41987, 53785, 56265, 57255, 118327, 125961, 161355, 209935, 354981, 591635, 629805, 1301597, 1774905, 3904791, 6507985, 19523955]

約数ペア:

[(1, 19523955), (3, 6507985), (5, 3904791), (11, 1774905), (15, 1301597), (31, 629805), (33, 591635), (55, 354981), (93, 209935), (121, 161355), (155, 125961), (165, 118327), (341, 57255), (347, 56265), (363, 53785), (465, 41987), (605, 32271), (1023, 19085), (1041, 18755), (1705, 11451), (1735, 11253), (1815, 10757), (3751, 5205), (3817, 5115)]