17983938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1213}}^1$

素因数の和:1578

約数の個数: 32

約数和(自身を含む): 41256576

約数和(自身を除く): 23272638

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 353, 706, 1059, 1213, 2118, 2426, 2471, 3639, 4942, 7278, 7413, 8491, 14826, 16982, 25473, 50946, 428189, 856378, 1284567, 2569134, 2997323, 5994646, 8991969, 17983938]

約数ペア:

[(1, 17983938), (2, 8991969), (3, 5994646), (6, 2997323), (7, 2569134), (14, 1284567), (21, 856378), (42, 428189), (353, 50946), (706, 25473), (1059, 16982), (1213, 14826), (2118, 8491), (2426, 7413), (2471, 7278), (3639, 4942)]