19995846

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{953}}^1$

素因数の和:1240

約数の個数: 32

約数和(自身を含む): 43273440

約数和(自身を除く): 23277594

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 269, 538, 807, 953, 1614, 1906, 2859, 3497, 5718, 6994, 10491, 12389, 20982, 24778, 37167, 74334, 256357, 512714, 769071, 1538142, 3332641, 6665282, 9997923, 19995846]

約数ペア:

[(1, 19995846), (2, 9997923), (3, 6665282), (6, 3332641), (13, 1538142), (26, 769071), (39, 512714), (78, 256357), (269, 74334), (538, 37167), (807, 24778), (953, 20982), (1614, 12389), (1906, 10491), (2859, 6994), (3497, 5718)]