19886066

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{7823}}^1$

素因数の和:7897

約数の個数: 16

約数和(自身を含む): 31546368

約数和(自身を除く): 11660302

約数列:

[1, 2, 31, 41, 62, 82, 1271, 2542, 7823, 15646, 242513, 320743, 485026, 641486, 9943033, 19886066]

約数ペア:

[(1, 19886066), (2, 9943033), (31, 641486), (41, 485026), (62, 320743), (82, 242513), (1271, 15646), (2542, 7823)]