19876234

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 35266176

約数和(自身を除く): 15389942

約数列:

[1, 2, 7, 14, 43, 86, 137, 241, 274, 301, 482, 602, 959, 1687, 1918, 3374, 5891, 10363, 11782, 20726, 33017, 41237, 66034, 72541, 82474, 145082, 231119, 462238, 1419731, 2839462, 9938117, 19876234]

約数ペア:

[(1, 19876234), (2, 9938117), (7, 2839462), (14, 1419731), (43, 462238), (86, 231119), (137, 145082), (241, 82474), (274, 72541), (301, 66034), (482, 41237), (602, 33017), (959, 20726), (1687, 11782), (1918, 10363), (3374, 5891)]