20191548

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1823}}^1$

素因数の和:1914

約数の個数: 48

約数和(自身を含む): 51480576

約数和(自身を除く): 31289028

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 213, 284, 426, 852, 923, 1823, 1846, 2769, 3646, 3692, 5469, 5538, 7292, 10938, 11076, 21876, 23699, 47398, 71097, 94796, 129433, 142194, 258866, 284388, 388299, 517732, 776598, 1553196, 1682629, 3365258, 5047887, 6730516, 10095774, 20191548]

約数ペア:

[(1, 20191548), (2, 10095774), (3, 6730516), (4, 5047887), (6, 3365258), (12, 1682629), (13, 1553196), (26, 776598), (39, 517732), (52, 388299), (71, 284388), (78, 258866), (142, 142194), (156, 129433), (213, 94796), (284, 71097), (426, 47398), (852, 23699), (923, 21876), (1823, 11076), (1846, 10938), (2769, 7292), (3646, 5538), (3692, 5469)]