19021695

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 38928384

約数和(自身を除く): 19906689

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 43, 55, 77, 105, 129, 165, 215, 231, 301, 383, 385, 473, 645, 903, 1149, 1155, 1419, 1505, 1915, 2365, 2681, 3311, 4213, 4515, 5745, 7095, 8043, 9933, 12639, 13405, 16469, 16555, 21065, 29491, 40215, 49407, 49665, 63195, 82345, 88473, 115283, 147455, 181159, 247035, 345849, 442365, 543477, 576415, 905795, 1268113, 1729245, 2717385, 3804339, 6340565, 19021695]

約数ペア:

[(1, 19021695), (3, 6340565), (5, 3804339), (7, 2717385), (11, 1729245), (15, 1268113), (21, 905795), (33, 576415), (35, 543477), (43, 442365), (55, 345849), (77, 247035), (105, 181159), (129, 147455), (165, 115283), (215, 88473), (231, 82345), (301, 63195), (383, 49665), (385, 49407), (473, 40215), (645, 29491), (903, 21065), (1149, 16555), (1155, 16469), (1419, 13405), (1505, 12639), (1915, 9933), (2365, 8043), (2681, 7095), (3311, 5745), (4213, 4515)]