18436403458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{991}}^1\times {\mathrm{1307}}^1$

素因数の和:2958

約数の個数: 32

約数和(自身を含む): 30268919808

約数和(自身を除く): 11832516350

約数列:

[1, 2, 11, 22, 647, 991, 1294, 1307, 1982, 2614, 7117, 10901, 14234, 14377, 21802, 28754, 641177, 845629, 1282354, 1295237, 1691258, 2590474, 7052947, 9301919, 14105894, 14247607, 18603838, 28495214, 838018339, 1676036678, 9218201729, 18436403458]

約数ペア:

[(1, 18436403458), (2, 9218201729), (11, 1676036678), (22, 838018339), (647, 28495214), (991, 18603838), (1294, 14247607), (1307, 14105894), (1982, 9301919), (2614, 7052947), (7117, 2590474), (10901, 1691258), (14234, 1295237), (14377, 1282354), (21802, 845629), (28754, 641177)]