19905834

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:391

約数の個数: 48

約数和(自身を含む): 43902432

約数和(自身を除く): 23996598

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 169, 201, 293, 338, 402, 507, 586, 871, 879, 1014, 1742, 1758, 2613, 3809, 5226, 7618, 11323, 11427, 19631, 22646, 22854, 33969, 39262, 49517, 58893, 67938, 99034, 117786, 148551, 255203, 297102, 510406, 765609, 1531218, 3317639, 6635278, 9952917, 19905834]

約数ペア:

[(1, 19905834), (2, 9952917), (3, 6635278), (6, 3317639), (13, 1531218), (26, 765609), (39, 510406), (67, 297102), (78, 255203), (134, 148551), (169, 117786), (201, 99034), (293, 67938), (338, 58893), (402, 49517), (507, 39262), (586, 33969), (871, 22854), (879, 22646), (1014, 19631), (1742, 11427), (1758, 11323), (2613, 7618), (3809, 5226)]