17978646

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{6389}}^1$

素因数の和:6468

約数の個数: 32

約数和(自身を含む): 41713920

約数和(自身を除く): 23735274

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814, 6389, 12778, 19167, 38334, 44723, 89446, 134169, 268338, 428063, 856126, 1284189, 2568378, 2996441, 5992882, 8989323, 17978646]

約数ペア:

[(1, 17978646), (2, 8989323), (3, 5992882), (6, 2996441), (7, 2568378), (14, 1284189), (21, 856126), (42, 428063), (67, 268338), (134, 134169), (201, 89446), (402, 44723), (469, 38334), (938, 19167), (1407, 12778), (2814, 6389)]