19858190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2473}}^1$

素因数の和:2564

約数の個数: 32

約数和(自身を含む): 39544416

約数和(自身を除く): 19686226

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 146, 365, 730, 803, 1606, 2473, 4015, 4946, 8030, 12365, 24730, 27203, 54406, 136015, 180529, 272030, 361058, 902645, 1805290, 1985819, 3971638, 9929095, 19858190]

約数ペア:

[(1, 19858190), (2, 9929095), (5, 3971638), (10, 1985819), (11, 1805290), (22, 902645), (55, 361058), (73, 272030), (110, 180529), (146, 136015), (365, 54406), (730, 27203), (803, 24730), (1606, 12365), (2473, 8030), (4015, 4946)]