19818108

素因数分解:

$2^2\times 3^5\times {\mathrm{20389}}^1$

素因数の和:20408

約数の個数: 36

約数和(自身を含む): 51953720

約数和(自身を除く): 32135612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 20389, 40778, 61167, 81556, 122334, 183501, 244668, 367002, 550503, 734004, 1101006, 1651509, 2202012, 3303018, 4954527, 6606036, 9909054, 19818108]

約数ペア:

[(1, 19818108), (2, 9909054), (3, 6606036), (4, 4954527), (6, 3303018), (9, 2202012), (12, 1651509), (18, 1101006), (27, 734004), (36, 550503), (54, 367002), (81, 244668), (108, 183501), (162, 122334), (243, 81556), (324, 61167), (486, 40778), (972, 20389)]