19200016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{59}}^1$

素因数の和:164

約数の個数: 60

約数和(自身を含む): 42251760

約数和(自身を除く): 23051744

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 59, 86, 88, 118, 172, 176, 236, 344, 472, 473, 649, 688, 944, 946, 1298, 1849, 1892, 2537, 2596, 3698, 3784, 5074, 5192, 7396, 7568, 10148, 10384, 14792, 20296, 20339, 27907, 29584, 40592, 40678, 55814, 81356, 109091, 111628, 162712, 218182, 223256, 325424, 436364, 446512, 872728, 1200001, 1745456, 2400002, 4800004, 9600008, 19200016]

約数ペア:

[(1, 19200016), (2, 9600008), (4, 4800004), (8, 2400002), (11, 1745456), (16, 1200001), (22, 872728), (43, 446512), (44, 436364), (59, 325424), (86, 223256), (88, 218182), (118, 162712), (172, 111628), (176, 109091), (236, 81356), (344, 55814), (472, 40678), (473, 40592), (649, 29584), (688, 27907), (944, 20339), (946, 20296), (1298, 14792), (1849, 10384), (1892, 10148), (2537, 7568), (2596, 7396), (3698, 5192), (3784, 5074)]