17938866484

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{30931}}^1$

素因数の和:31229

約数の個数: 72

約数和(自身を含む): 39987652320

約数和(自身を除く): 22048785836

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 269, 308, 538, 539, 1076, 1078, 1883, 2156, 2959, 3766, 5918, 7532, 11836, 13181, 20713, 26362, 30931, 41426, 52724, 61862, 82852, 123724, 144991, 216517, 289982, 340241, 433034, 579964, 680482, 866068, 1360964, 1515619, 2381687, 3031238, 4763374, 6062476, 8320439, 9526748, 16640878, 16671809, 33281756, 33343618, 58243073, 66687236, 91524829, 116486146, 183049658, 232972292, 366099316, 407701511, 640673803, 815403022, 1281347606, 1630806044, 2562695212, 4484716621, 8969433242, 17938866484]

約数ペア:

[(1, 17938866484), (2, 8969433242), (4, 4484716621), (7, 2562695212), (11, 1630806044), (14, 1281347606), (22, 815403022), (28, 640673803), (44, 407701511), (49, 366099316), (77, 232972292), (98, 183049658), (154, 116486146), (196, 91524829), (269, 66687236), (308, 58243073), (538, 33343618), (539, 33281756), (1076, 16671809), (1078, 16640878), (1883, 9526748), (2156, 8320439), (2959, 6062476), (3766, 4763374), (5918, 3031238), (7532, 2381687), (11836, 1515619), (13181, 1360964), (20713, 866068), (26362, 680482), (30931, 579964), (41426, 433034), (52724, 340241), (61862, 289982), (82852, 216517), (123724, 144991)]