18856556961

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{4001}}^1$

素因数の和:4334

約数の個数: 64

約数和(自身を含む): 30096064512

約数和(自身を除く): 11239507551

約数列:

[1, 3, 11, 17, 31, 33, 51, 93, 187, 271, 341, 527, 561, 813, 1023, 1581, 2981, 4001, 4607, 5797, 8401, 8943, 12003, 13821, 17391, 25203, 44011, 50677, 68017, 92411, 124031, 132033, 142817, 152031, 204051, 277233, 372093, 428451, 748187, 1084271, 1364341, 1570987, 2108527, 2244561, 3252813, 4093023, 4712961, 6325581, 11926981, 18432607, 23193797, 33612401, 35780943, 55297821, 69581391, 100837203, 202758677, 369736411, 571410817, 608276031, 1109209233, 1714232451, 6285518987, 18856556961]

約数ペア:

[(1, 18856556961), (3, 6285518987), (11, 1714232451), (17, 1109209233), (31, 608276031), (33, 571410817), (51, 369736411), (93, 202758677), (187, 100837203), (271, 69581391), (341, 55297821), (527, 35780943), (561, 33612401), (813, 23193797), (1023, 18432607), (1581, 11926981), (2981, 6325581), (4001, 4712961), (4607, 4093023), (5797, 3252813), (8401, 2244561), (8943, 2108527), (12003, 1570987), (13821, 1364341), (17391, 1084271), (25203, 748187), (44011, 428451), (50677, 372093), (68017, 277233), (92411, 204051), (124031, 152031), (132033, 142817)]