19988364

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{929}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 51246720

約数和(自身を除く): 31258356

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 163, 326, 489, 652, 929, 978, 1793, 1858, 1956, 2787, 3586, 3716, 5379, 5574, 7172, 10219, 10758, 11148, 20438, 21516, 30657, 40876, 61314, 122628, 151427, 302854, 454281, 605708, 908562, 1665697, 1817124, 3331394, 4997091, 6662788, 9994182, 19988364]

約数ペア:

[(1, 19988364), (2, 9994182), (3, 6662788), (4, 4997091), (6, 3331394), (11, 1817124), (12, 1665697), (22, 908562), (33, 605708), (44, 454281), (66, 302854), (132, 151427), (163, 122628), (326, 61314), (489, 40876), (652, 30657), (929, 21516), (978, 20438), (1793, 11148), (1858, 10758), (1956, 10219), (2787, 7172), (3586, 5574), (3716, 5379)]