18957678

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{449}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 20440722

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 227, 449, 454, 681, 898, 1347, 1362, 2694, 7037, 13919, 14074, 21111, 27838, 41757, 42222, 83514, 101923, 203846, 305769, 611538, 3159613, 6319226, 9478839, 18957678]

約数ペア:

[(1, 18957678), (2, 9478839), (3, 6319226), (6, 3159613), (31, 611538), (62, 305769), (93, 203846), (186, 101923), (227, 83514), (449, 42222), (454, 41757), (681, 27838), (898, 21111), (1347, 14074), (1362, 13919), (2694, 7037)]