19033220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15601}}^1$

素因数の和:15671

約数の個数: 24

約数和(自身を含む): 40627608

約数和(自身を除く): 21594388

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 15601, 31202, 62404, 78005, 156010, 312020, 951661, 1903322, 3806644, 4758305, 9516610, 19033220]

約数ペア:

[(1, 19033220), (2, 9516610), (4, 4758305), (5, 3806644), (10, 1903322), (20, 951661), (61, 312020), (122, 156010), (244, 78005), (305, 62404), (610, 31202), (1220, 15601)]