19842878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1283}}^1$

素因数の和:1352

約数の個数: 32

約数和(自身を含む): 35130240

約数和(自身を除く): 15287362

約数列:

[1, 2, 11, 19, 22, 37, 38, 74, 209, 407, 418, 703, 814, 1283, 1406, 2566, 7733, 14113, 15466, 24377, 28226, 47471, 48754, 94942, 268147, 522181, 536294, 901949, 1044362, 1803898, 9921439, 19842878]

約数ペア:

[(1, 19842878), (2, 9921439), (11, 1803898), (19, 1044362), (22, 901949), (37, 536294), (38, 522181), (74, 268147), (209, 94942), (407, 48754), (418, 47471), (703, 28226), (814, 24377), (1283, 15466), (1406, 14113), (2566, 7733)]