19428408

素因数分解:

$2^3\times 3^2\times {\mathrm{149}}^1\times {\mathrm{1811}}^1$

素因数の和:1972

約数の個数: 48

約数和(自身を含む): 53001000

約数和(自身を除く): 33572592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 149, 298, 447, 596, 894, 1192, 1341, 1788, 1811, 2682, 3576, 3622, 5364, 5433, 7244, 10728, 10866, 14488, 16299, 21732, 32598, 43464, 65196, 130392, 269839, 539678, 809517, 1079356, 1619034, 2158712, 2428551, 3238068, 4857102, 6476136, 9714204, 19428408]

約数ペア:

[(1, 19428408), (2, 9714204), (3, 6476136), (4, 4857102), (6, 3238068), (8, 2428551), (9, 2158712), (12, 1619034), (18, 1079356), (24, 809517), (36, 539678), (72, 269839), (149, 130392), (298, 65196), (447, 43464), (596, 32598), (894, 21732), (1192, 16299), (1341, 14488), (1788, 10866), (1811, 10728), (2682, 7244), (3576, 5433), (3622, 5364)]