18197937

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 27029184

約数和(自身を除く): 8831247

約数列:

[1, 3, 9, 67, 103, 201, 293, 309, 603, 879, 927, 2637, 6901, 19631, 20703, 30179, 58893, 62109, 90537, 176679, 271611, 2021993, 6065979, 18197937]

約数ペア:

[(1, 18197937), (3, 6065979), (9, 2021993), (67, 271611), (103, 176679), (201, 90537), (293, 62109), (309, 58893), (603, 30179), (879, 20703), (927, 19631), (2637, 6901)]