18617584

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{68447}}^1$

素因数の和:68472

約数の個数: 20

約数和(自身を含む): 38193984

約数和(自身を除く): 19576400

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 68447, 136894, 273788, 547576, 1095152, 1163599, 2327198, 4654396, 9308792, 18617584]

約数ペア:

[(1, 18617584), (2, 9308792), (4, 4654396), (8, 2327198), (16, 1163599), (17, 1095152), (34, 547576), (68, 273788), (136, 136894), (272, 68447)]