19123808

素因数分解:

$2^5\times {\mathrm{11}}^3\times {\mathrm{449}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 41504400

約数和(自身を除く): 22380592

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 449, 484, 898, 968, 1331, 1796, 1936, 2662, 3592, 3872, 4939, 5324, 7184, 9878, 10648, 14368, 19756, 21296, 39512, 42592, 54329, 79024, 108658, 158048, 217316, 434632, 597619, 869264, 1195238, 1738528, 2390476, 4780952, 9561904, 19123808]

約数ペア:

[(1, 19123808), (2, 9561904), (4, 4780952), (8, 2390476), (11, 1738528), (16, 1195238), (22, 869264), (32, 597619), (44, 434632), (88, 217316), (121, 158048), (176, 108658), (242, 79024), (352, 54329), (449, 42592), (484, 39512), (898, 21296), (968, 19756), (1331, 14368), (1796, 10648), (1936, 9878), (2662, 7184), (3592, 5324), (3872, 4939)]