18888968480

素因数分解:

$2^5\times 5^1\times {\mathrm{853}}^1\times {\mathrm{138401}}^1$

素因数の和:139269

約数の個数: 48

約数和(自身を含む): 44677826424

約数和(自身を除く): 25788857944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 853, 1706, 3412, 4265, 6824, 8530, 13648, 17060, 27296, 34120, 68240, 136480, 138401, 276802, 553604, 692005, 1107208, 1384010, 2214416, 2768020, 4428832, 5536040, 11072080, 22144160, 118056053, 236112106, 472224212, 590280265, 944448424, 1180560530, 1888896848, 2361121060, 3777793696, 4722242120, 9444484240, 18888968480]

約数ペア:

[(1, 18888968480), (2, 9444484240), (4, 4722242120), (5, 3777793696), (8, 2361121060), (10, 1888896848), (16, 1180560530), (20, 944448424), (32, 590280265), (40, 472224212), (80, 236112106), (160, 118056053), (853, 22144160), (1706, 11072080), (3412, 5536040), (4265, 4428832), (6824, 2768020), (8530, 2214416), (13648, 1384010), (17060, 1107208), (27296, 692005), (34120, 553604), (68240, 276802), (136480, 138401)]