19992012156

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{7821601}}^1$

素因数の和:7821682

約数の個数: 36

約数和(自身を含む): 51247136304

約数和(自身を除く): 31255124148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 7821601, 15643202, 23464803, 31286404, 46929606, 70394409, 93859212, 140788818, 281577636, 555333671, 1110667342, 1666001013, 2221334684, 3332002026, 4998003039, 6664004052, 9996006078, 19992012156]

約数ペア:

[(1, 19992012156), (2, 9996006078), (3, 6664004052), (4, 4998003039), (6, 3332002026), (9, 2221334684), (12, 1666001013), (18, 1110667342), (36, 555333671), (71, 281577636), (142, 140788818), (213, 93859212), (284, 70394409), (426, 46929606), (639, 31286404), (852, 23464803), (1278, 15643202), (2556, 7821601)]