19748410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{859}}^1$

素因数の和:907

約数の個数: 48

約数和(自身を含む): 41176800

約数和(自身を除く): 21428390

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 121, 190, 209, 242, 418, 605, 859, 1045, 1210, 1718, 2090, 2299, 4295, 4598, 8590, 9449, 11495, 16321, 18898, 22990, 32642, 47245, 81605, 94490, 103939, 163210, 179531, 207878, 359062, 519695, 897655, 1039390, 1795310, 1974841, 3949682, 9874205, 19748410]

約数ペア:

[(1, 19748410), (2, 9874205), (5, 3949682), (10, 1974841), (11, 1795310), (19, 1039390), (22, 897655), (38, 519695), (55, 359062), (95, 207878), (110, 179531), (121, 163210), (190, 103939), (209, 94490), (242, 81605), (418, 47245), (605, 32642), (859, 22990), (1045, 18898), (1210, 16321), (1718, 11495), (2090, 9449), (2299, 8590), (4295, 4598)]