17998889392

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{44483}}^1$

素因数の和:44543

約数の個数: 80

約数和(自身を含む): 40377237120

約数和(自身を除く): 22378347728

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 121, 152, 176, 209, 242, 304, 418, 484, 836, 968, 1331, 1672, 1936, 2299, 2662, 3344, 4598, 5324, 9196, 10648, 18392, 21296, 25289, 36784, 44483, 50578, 88966, 101156, 177932, 202312, 355864, 404624, 489313, 711728, 845177, 978626, 1690354, 1957252, 3380708, 3914504, 5382443, 6761416, 7829008, 9296947, 10764886, 13522832, 18593894, 21529772, 37187788, 43059544, 59206873, 74375576, 86119088, 102266417, 118413746, 148751152, 204532834, 236827492, 409065668, 473654984, 818131336, 947309968, 1124930587, 1636262672, 2249861174, 4499722348, 8999444696, 17998889392]

約数ペア:

[(1, 17998889392), (2, 8999444696), (4, 4499722348), (8, 2249861174), (11, 1636262672), (16, 1124930587), (19, 947309968), (22, 818131336), (38, 473654984), (44, 409065668), (76, 236827492), (88, 204532834), (121, 148751152), (152, 118413746), (176, 102266417), (209, 86119088), (242, 74375576), (304, 59206873), (418, 43059544), (484, 37187788), (836, 21529772), (968, 18593894), (1331, 13522832), (1672, 10764886), (1936, 9296947), (2299, 7829008), (2662, 6761416), (3344, 5382443), (4598, 3914504), (5324, 3380708), (9196, 1957252), (10648, 1690354), (18392, 978626), (21296, 845177), (25289, 711728), (36784, 489313), (44483, 404624), (50578, 355864), (88966, 202312), (101156, 177932)]