19806248

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 48518400

約数和(自身を除く): 28712152

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 37, 44, 56, 74, 77, 79, 88, 121, 148, 154, 158, 242, 259, 296, 308, 316, 407, 484, 518, 553, 616, 632, 814, 847, 869, 968, 1036, 1106, 1628, 1694, 1738, 2072, 2212, 2849, 2923, 3256, 3388, 3476, 4424, 4477, 5698, 5846, 6083, 6776, 6952, 8954, 9559, 11396, 11692, 12166, 17908, 19118, 20461, 22792, 23384, 24332, 31339, 32153, 35816, 38236, 40922, 48664, 62678, 64306, 66913, 76472, 81844, 125356, 128612, 133826, 163688, 225071, 250712, 257224, 267652, 353683, 450142, 535304, 707366, 900284, 1414732, 1800568, 2475781, 2829464, 4951562, 9903124, 19806248]

約数ペア:

[(1, 19806248), (2, 9903124), (4, 4951562), (7, 2829464), (8, 2475781), (11, 1800568), (14, 1414732), (22, 900284), (28, 707366), (37, 535304), (44, 450142), (56, 353683), (74, 267652), (77, 257224), (79, 250712), (88, 225071), (121, 163688), (148, 133826), (154, 128612), (158, 125356), (242, 81844), (259, 76472), (296, 66913), (308, 64306), (316, 62678), (407, 48664), (484, 40922), (518, 38236), (553, 35816), (616, 32153), (632, 31339), (814, 24332), (847, 23384), (869, 22792), (968, 20461), (1036, 19118), (1106, 17908), (1628, 12166), (1694, 11692), (1738, 11396), (2072, 9559), (2212, 8954), (2849, 6952), (2923, 6776), (3256, 6083), (3388, 5846), (3476, 5698), (4424, 4477)]