19607920

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2953}}^1$

素因数の和:3049

約数の個数: 40

約数和(自身を含む): 46153296

約数和(自身を除く): 26545376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 2953, 3320, 5906, 6640, 11812, 14765, 23624, 29530, 47248, 59060, 118120, 236240, 245099, 490198, 980396, 1225495, 1960792, 2450990, 3921584, 4901980, 9803960, 19607920]

約数ペア:

[(1, 19607920), (2, 9803960), (4, 4901980), (5, 3921584), (8, 2450990), (10, 1960792), (16, 1225495), (20, 980396), (40, 490198), (80, 245099), (83, 236240), (166, 118120), (332, 59060), (415, 47248), (664, 29530), (830, 23624), (1328, 14765), (1660, 11812), (2953, 6640), (3320, 5906)]