642165228

素因数分解:

$2^2\times 3^2\times {\mathrm{17837923}}^1$

素因数の和:17837933

約数の個数: 18

約数和(自身を含む): 1623251084

約数和(自身を除く): 981085856

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 17837923, 35675846, 53513769, 71351692, 107027538, 160541307, 214055076, 321082614, 642165228]

約数ペア:

[(1, 642165228), (2, 321082614), (3, 214055076), (4, 160541307), (6, 107027538), (9, 71351692), (12, 53513769), (18, 35675846), (36, 17837923)]