19928644

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{373}}^1$

素因数の和:452

約数の個数: 36

約数和(自身を含む): 37903404

約数和(自身を除く): 17974760

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 361, 373, 703, 722, 746, 1406, 1444, 1492, 2812, 7087, 13357, 13801, 14174, 26714, 27602, 28348, 53428, 55204, 134653, 262219, 269306, 524438, 538612, 1048876, 4982161, 9964322, 19928644]

約数ペア:

[(1, 19928644), (2, 9964322), (4, 4982161), (19, 1048876), (37, 538612), (38, 524438), (74, 269306), (76, 262219), (148, 134653), (361, 55204), (373, 53428), (703, 28348), (722, 27602), (746, 26714), (1406, 14174), (1444, 13801), (1492, 13357), (2812, 7087)]