19651530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{991}}^1$

素因数の和:1662

約数の個数: 32

約数和(自身を含む): 47282688

約数和(自身を除く): 27631158

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 661, 991, 1322, 1982, 1983, 2973, 3305, 3966, 4955, 5946, 6610, 9910, 9915, 14865, 19830, 29730, 655051, 1310102, 1965153, 3275255, 3930306, 6550510, 9825765, 19651530]

約数ペア:

[(1, 19651530), (2, 9825765), (3, 6550510), (5, 3930306), (6, 3275255), (10, 1965153), (15, 1310102), (30, 655051), (661, 29730), (991, 19830), (1322, 14865), (1982, 9915), (1983, 9910), (2973, 6610), (3305, 5946), (3966, 4955)]