20051118

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{19543}}^1$

素因数の和:19573

約数の個数: 32

約数和(自身を含む): 46905600

約数和(自身を除く): 26854482

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 19543, 39086, 58629, 117258, 175887, 351774, 371317, 527661, 742634, 1055322, 1113951, 2227902, 3341853, 6683706, 10025559, 20051118]

約数ペア:

[(1, 20051118), (2, 10025559), (3, 6683706), (6, 3341853), (9, 2227902), (18, 1113951), (19, 1055322), (27, 742634), (38, 527661), (54, 371317), (57, 351774), (114, 175887), (171, 117258), (342, 58629), (513, 39086), (1026, 19543)]