19212171601

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{7159}}^1$

素因数の和:7429

約数の個数: 32

約数和(自身を含む): 23095296000

約数和(自身を除く): 3883124399

約数列:

[1, 7, 31, 83, 149, 217, 581, 1043, 2573, 4619, 7159, 12367, 18011, 32333, 50113, 86569, 221929, 383377, 594197, 1066691, 1553503, 2683639, 4159379, 7466837, 18420107, 33067421, 88535353, 128940749, 231471947, 619747471, 2744595943, 19212171601]

約数ペア:

[(1, 19212171601), (7, 2744595943), (31, 619747471), (83, 231471947), (149, 128940749), (217, 88535353), (581, 33067421), (1043, 18420107), (2573, 7466837), (4619, 4159379), (7159, 2683639), (12367, 1553503), (18011, 1066691), (32333, 594197), (50113, 383377), (86569, 221929)]