19487512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3119}}^1$

素因数の和:3207

約数の個数: 32

約数和(自身を含む): 40435200

約数和(自身を除く): 20947688

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3119, 3124, 6238, 6248, 12476, 24952, 34309, 68618, 137236, 221449, 274472, 442898, 885796, 1771592, 2435939, 4871878, 9743756, 19487512]

約数ペア:

[(1, 19487512), (2, 9743756), (4, 4871878), (8, 2435939), (11, 1771592), (22, 885796), (44, 442898), (71, 274472), (88, 221449), (142, 137236), (284, 68618), (568, 34309), (781, 24952), (1562, 12476), (3119, 6248), (3124, 6238)]