19860454

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 33359040

約数和(自身を除く): 13498586

約数列:

[1, 2, 17, 23, 34, 46, 109, 218, 233, 391, 466, 782, 1853, 2507, 3706, 3961, 5014, 5359, 7922, 10718, 25397, 42619, 50794, 85238, 91103, 182206, 431749, 584131, 863498, 1168262, 9930227, 19860454]

約数ペア:

[(1, 19860454), (2, 9930227), (17, 1168262), (23, 863498), (34, 584131), (46, 431749), (109, 182206), (218, 91103), (233, 85238), (391, 50794), (466, 42619), (782, 25397), (1853, 10718), (2507, 7922), (3706, 5359), (3961, 5014)]