19078878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 47642112

約数和(自身を除く): 28563234

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 83, 91, 166, 182, 249, 273, 421, 498, 546, 581, 842, 1079, 1162, 1263, 1743, 2158, 2526, 2947, 3237, 3486, 5473, 5894, 6474, 7553, 8841, 10946, 15106, 16419, 17682, 22659, 32838, 34943, 38311, 45318, 69886, 76622, 104829, 114933, 209658, 229866, 244601, 454259, 489202, 733803, 908518, 1362777, 1467606, 2725554, 3179813, 6359626, 9539439, 19078878]

約数ペア:

[(1, 19078878), (2, 9539439), (3, 6359626), (6, 3179813), (7, 2725554), (13, 1467606), (14, 1362777), (21, 908518), (26, 733803), (39, 489202), (42, 454259), (78, 244601), (83, 229866), (91, 209658), (166, 114933), (182, 104829), (249, 76622), (273, 69886), (421, 45318), (498, 38311), (546, 34943), (581, 32838), (842, 22659), (1079, 17682), (1162, 16419), (1263, 15106), (1743, 10946), (2158, 8841), (2526, 7553), (2947, 6474), (3237, 5894), (3486, 5473)]