19929404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 41395200

約数和(自身を除く): 21465796

約数列:

[1, 2, 4, 11, 19, 22, 31, 38, 44, 62, 76, 124, 209, 341, 418, 589, 682, 769, 836, 1178, 1364, 1538, 2356, 3076, 6479, 8459, 12958, 14611, 16918, 23839, 25916, 29222, 33836, 47678, 58444, 95356, 160721, 262229, 321442, 452941, 524458, 642884, 905882, 1048916, 1811764, 4982351, 9964702, 19929404]

約数ペア:

[(1, 19929404), (2, 9964702), (4, 4982351), (11, 1811764), (19, 1048916), (22, 905882), (31, 642884), (38, 524458), (44, 452941), (62, 321442), (76, 262229), (124, 160721), (209, 95356), (341, 58444), (418, 47678), (589, 33836), (682, 29222), (769, 25916), (836, 23839), (1178, 16918), (1364, 14611), (1538, 12958), (2356, 8459), (3076, 6479)]