19076778

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:568

約数の個数: 72

約数和(自身を含む): 49297248

約数和(自身を除く): 30220470

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 49, 63, 86, 98, 126, 129, 147, 258, 294, 301, 387, 441, 503, 602, 774, 882, 903, 1006, 1509, 1806, 2107, 2709, 3018, 3521, 4214, 4527, 5418, 6321, 7042, 9054, 10563, 12642, 18963, 21126, 21629, 24647, 31689, 37926, 43258, 49294, 63378, 64887, 73941, 129774, 147882, 151403, 194661, 221823, 302806, 389322, 443646, 454209, 908418, 1059821, 1362627, 2119642, 2725254, 3179463, 6358926, 9538389, 19076778]

約数ペア:

[(1, 19076778), (2, 9538389), (3, 6358926), (6, 3179463), (7, 2725254), (9, 2119642), (14, 1362627), (18, 1059821), (21, 908418), (42, 454209), (43, 443646), (49, 389322), (63, 302806), (86, 221823), (98, 194661), (126, 151403), (129, 147882), (147, 129774), (258, 73941), (294, 64887), (301, 63378), (387, 49294), (441, 43258), (503, 37926), (602, 31689), (774, 24647), (882, 21629), (903, 21126), (1006, 18963), (1509, 12642), (1806, 10563), (2107, 9054), (2709, 7042), (3018, 6321), (3521, 5418), (4214, 4527)]