2109207974

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1\times {\mathrm{1447}}^1$

素因数の和:1988

約数の個数: 32

約数和(自身を含む): 3377894400

約数和(自身を除く): 1268686426

約数列:

[1, 2, 19, 38, 89, 178, 431, 862, 1447, 1691, 2894, 3382, 8189, 16378, 27493, 38359, 54986, 76718, 128783, 257566, 623657, 728821, 1247314, 1457642, 2446877, 4893754, 11849483, 23698966, 55505473, 111010946, 1054603987, 2109207974]

約数ペア:

[(1, 2109207974), (2, 1054603987), (19, 111010946), (38, 55505473), (89, 23698966), (178, 11849483), (431, 4893754), (862, 2446877), (1447, 1457642), (1691, 1247314), (2894, 728821), (3382, 623657), (8189, 257566), (16378, 128783), (27493, 76718), (38359, 54986)]