12289390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{911}}^1$

素因数の和:1008

約数の個数: 32

約数和(自身を含む): 23639040

約数和(自身を除く): 11349650

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 911, 1349, 1822, 2698, 4555, 6745, 9110, 13490, 17309, 34618, 64681, 86545, 129362, 173090, 323405, 646810, 1228939, 2457878, 6144695, 12289390]

約数ペア:

[(1, 12289390), (2, 6144695), (5, 2457878), (10, 1228939), (19, 646810), (38, 323405), (71, 173090), (95, 129362), (142, 86545), (190, 64681), (355, 34618), (710, 17309), (911, 13490), (1349, 9110), (1822, 6745), (2698, 4555)]