18871972

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{967}}^1$

素因数の和:1036

約数の個数: 48

約数和(自身を含む): 40981248

約数和(自身を除く): 22109276

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 41, 68, 82, 119, 164, 238, 287, 476, 574, 697, 967, 1148, 1394, 1934, 2788, 3868, 4879, 6769, 9758, 13538, 16439, 19516, 27076, 32878, 39647, 65756, 79294, 115073, 158588, 230146, 277529, 460292, 555058, 673999, 1110116, 1347998, 2695996, 4717993, 9435986, 18871972]

約数ペア:

[(1, 18871972), (2, 9435986), (4, 4717993), (7, 2695996), (14, 1347998), (17, 1110116), (28, 673999), (34, 555058), (41, 460292), (68, 277529), (82, 230146), (119, 158588), (164, 115073), (238, 79294), (287, 65756), (476, 39647), (574, 32878), (697, 27076), (967, 19516), (1148, 16439), (1394, 13538), (1934, 9758), (2788, 6769), (3868, 4879)]