18951758

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 33663168

約数和(自身を除く): 14711410

約数列:

[1, 2, 7, 14, 41, 82, 137, 241, 274, 287, 482, 574, 959, 1687, 1918, 3374, 5617, 9881, 11234, 19762, 33017, 39319, 66034, 69167, 78638, 138334, 231119, 462238, 1353697, 2707394, 9475879, 18951758]

約数ペア:

[(1, 18951758), (2, 9475879), (7, 2707394), (14, 1353697), (41, 462238), (82, 231119), (137, 138334), (241, 78638), (274, 69167), (287, 66034), (482, 39319), (574, 33017), (959, 19762), (1687, 11234), (1918, 9881), (3374, 5617)]