19657286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:141

約数の個数: 64

約数和(自身を含む): 36771840

約数和(自身を除く): 17114554

約数列:

[1, 2, 11, 19, 22, 31, 37, 38, 41, 62, 74, 82, 209, 341, 407, 418, 451, 589, 682, 703, 779, 814, 902, 1147, 1178, 1271, 1406, 1517, 1558, 2294, 2542, 3034, 6479, 7733, 8569, 12617, 12958, 13981, 15466, 16687, 17138, 21793, 24149, 25234, 27962, 28823, 33374, 43586, 47027, 48298, 57646, 94054, 239723, 265639, 317053, 479446, 517297, 531278, 634106, 893513, 1034594, 1787026, 9828643, 19657286]

約数ペア:

[(1, 19657286), (2, 9828643), (11, 1787026), (19, 1034594), (22, 893513), (31, 634106), (37, 531278), (38, 517297), (41, 479446), (62, 317053), (74, 265639), (82, 239723), (209, 94054), (341, 57646), (407, 48298), (418, 47027), (451, 43586), (589, 33374), (682, 28823), (703, 27962), (779, 25234), (814, 24149), (902, 21793), (1147, 17138), (1178, 16687), (1271, 15466), (1406, 13981), (1517, 12958), (1558, 12617), (2294, 8569), (2542, 7733), (3034, 6479)]