19421000740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3361}}^1\times {\mathrm{6719}}^1$

素因数の和:10132

約数の個数: 48

約数和(自身を含む): 41751198720

約数和(自身を除く): 22330197980

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 3361, 6719, 6722, 13438, 13444, 16805, 26876, 33595, 33610, 67190, 67220, 134380, 144523, 288917, 289046, 577834, 578092, 722615, 1155668, 1444585, 1445230, 2889170, 2890460, 5778340, 22582559, 45165118, 90330236, 112912795, 225825590, 451651180, 971050037, 1942100074, 3884200148, 4855250185, 9710500370, 19421000740]

約数ペア:

[(1, 19421000740), (2, 9710500370), (4, 4855250185), (5, 3884200148), (10, 1942100074), (20, 971050037), (43, 451651180), (86, 225825590), (172, 112912795), (215, 90330236), (430, 45165118), (860, 22582559), (3361, 5778340), (6719, 2890460), (6722, 2889170), (13438, 1445230), (13444, 1444585), (16805, 1155668), (26876, 722615), (33595, 578092), (33610, 577834), (67190, 289046), (67220, 288917), (134380, 144523)]