18505339391

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1511}}^1\times {\mathrm{3001}}^1$

素因数の和:4583

約数の個数: 32

約数和(自身を含む): 23530300416

約数和(自身を除く): 5024961025

約数列:

[1, 7, 11, 53, 77, 371, 583, 1511, 3001, 4081, 10577, 16621, 21007, 33011, 80083, 116347, 159053, 231077, 560581, 880913, 1113371, 1749583, 4534511, 6166391, 12247081, 31741577, 49879621, 240329083, 349157347, 1682303581, 2643619913, 18505339391]

約数ペア:

[(1, 18505339391), (7, 2643619913), (11, 1682303581), (53, 349157347), (77, 240329083), (371, 49879621), (583, 31741577), (1511, 12247081), (3001, 6166391), (4081, 4534511), (10577, 1749583), (16621, 1113371), (21007, 880913), (33011, 560581), (80083, 231077), (116347, 159053)]