2489372018

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{18451}}^1$

素因数の和:18902

約数の個数: 32

約数和(自身を含む): 4463907840

約数和(自身を除く): 1974535822

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 419, 838, 2933, 5866, 9637, 18451, 19274, 36902, 67459, 129157, 134918, 258314, 424373, 848746, 2970611, 5941222, 7730969, 15461938, 54116783, 108233566, 177812287, 355624574, 1244686009, 2489372018]

約数ペア:

[(1, 2489372018), (2, 1244686009), (7, 355624574), (14, 177812287), (23, 108233566), (46, 54116783), (161, 15461938), (322, 7730969), (419, 5941222), (838, 2970611), (2933, 848746), (5866, 424373), (9637, 258314), (18451, 134918), (19274, 129157), (36902, 67459)]