18512494

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1321}}^1$

素因数の和:1361

約数の個数: 48

約数和(自身を含む): 37978416

約数和(自身を除く): 19465922

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 143, 154, 182, 286, 539, 637, 1001, 1078, 1274, 1321, 2002, 2642, 7007, 9247, 14014, 14531, 17173, 18494, 29062, 34346, 64729, 101717, 120211, 129458, 188903, 203434, 240422, 377806, 712019, 841477, 1322321, 1424038, 1682954, 2644642, 9256247, 18512494]

約数ペア:

[(1, 18512494), (2, 9256247), (7, 2644642), (11, 1682954), (13, 1424038), (14, 1322321), (22, 841477), (26, 712019), (49, 377806), (77, 240422), (91, 203434), (98, 188903), (143, 129458), (154, 120211), (182, 101717), (286, 64729), (539, 34346), (637, 29062), (1001, 18494), (1078, 17173), (1274, 14531), (1321, 14014), (2002, 9247), (2642, 7007)]