19119680

素因数分解:

$2^6\times 5^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:567

約数の個数: 56

約数和(自身を含む): 45948600

約数和(自身を除く): 26828920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 149, 160, 298, 320, 401, 596, 745, 802, 1192, 1490, 1604, 2005, 2384, 2980, 3208, 4010, 4768, 5960, 6416, 8020, 9536, 11920, 12832, 16040, 23840, 25664, 32080, 47680, 59749, 64160, 119498, 128320, 238996, 298745, 477992, 597490, 955984, 1194980, 1911968, 2389960, 3823936, 4779920, 9559840, 19119680]

約数ペア:

[(1, 19119680), (2, 9559840), (4, 4779920), (5, 3823936), (8, 2389960), (10, 1911968), (16, 1194980), (20, 955984), (32, 597490), (40, 477992), (64, 298745), (80, 238996), (149, 128320), (160, 119498), (298, 64160), (320, 59749), (401, 47680), (596, 32080), (745, 25664), (802, 23840), (1192, 16040), (1490, 12832), (1604, 11920), (2005, 9536), (2384, 8020), (2980, 6416), (3208, 5960), (4010, 4768)]