19898064

素因数分解:

$2^4\times 3^2\times {\mathrm{138181}}^1$

素因数の和:138195

約数の個数: 30

約数和(自身を含む): 55687346

約数和(自身を除く): 35789282

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 138181, 276362, 414543, 552724, 829086, 1105448, 1243629, 1658172, 2210896, 2487258, 3316344, 4974516, 6632688, 9949032, 19898064]

約数ペア:

[(1, 19898064), (2, 9949032), (3, 6632688), (4, 4974516), (6, 3316344), (8, 2487258), (9, 2210896), (12, 1658172), (16, 1243629), (18, 1105448), (24, 829086), (36, 552724), (48, 414543), (72, 276362), (144, 138181)]