19404768

素因数分解:

$2^5\times 3^1\times {\mathrm{131}}^1\times {\mathrm{1543}}^1$

素因数の和:1687

約数の個数: 48

約数和(自身を含む): 51359616

約数和(自身を除く): 31954848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 131, 262, 393, 524, 786, 1048, 1543, 1572, 2096, 3086, 3144, 4192, 4629, 6172, 6288, 9258, 12344, 12576, 18516, 24688, 37032, 49376, 74064, 148128, 202133, 404266, 606399, 808532, 1212798, 1617064, 2425596, 3234128, 4851192, 6468256, 9702384, 19404768]

約数ペア:

[(1, 19404768), (2, 9702384), (3, 6468256), (4, 4851192), (6, 3234128), (8, 2425596), (12, 1617064), (16, 1212798), (24, 808532), (32, 606399), (48, 404266), (96, 202133), (131, 148128), (262, 74064), (393, 49376), (524, 37032), (786, 24688), (1048, 18516), (1543, 12576), (1572, 12344), (2096, 9258), (3086, 6288), (3144, 6172), (4192, 4629)]