19988304

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:169

約数の個数: 160

約数和(自身を含む): 64757760

約数和(自身を除く): 44769456

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 31, 38, 42, 48, 56, 57, 62, 76, 84, 93, 101, 112, 114, 124, 133, 152, 168, 186, 202, 217, 228, 248, 266, 303, 304, 336, 372, 399, 404, 434, 456, 496, 532, 589, 606, 651, 707, 744, 798, 808, 868, 912, 1064, 1178, 1212, 1302, 1414, 1488, 1596, 1616, 1736, 1767, 1919, 2121, 2128, 2356, 2424, 2604, 2828, 3131, 3192, 3472, 3534, 3838, 4123, 4242, 4712, 4848, 5208, 5656, 5757, 6262, 6384, 7068, 7676, 8246, 8484, 9393, 9424, 10416, 11312, 11514, 12369, 12524, 13433, 14136, 15352, 16492, 16968, 18786, 21917, 23028, 24738, 25048, 26866, 28272, 30704, 32984, 33936, 37572, 40299, 43834, 46056, 49476, 50096, 53732, 59489, 65751, 65968, 75144, 80598, 87668, 92112, 98952, 107464, 118978, 131502, 150288, 161196, 175336, 178467, 197904, 214928, 237956, 263004, 322392, 350672, 356934, 416423, 475912, 526008, 644784, 713868, 832846, 951824, 1052016, 1249269, 1427736, 1665692, 2498538, 2855472, 3331384, 4997076, 6662768, 9994152, 19988304]

約数ペア:

[(1, 19988304), (2, 9994152), (3, 6662768), (4, 4997076), (6, 3331384), (7, 2855472), (8, 2498538), (12, 1665692), (14, 1427736), (16, 1249269), (19, 1052016), (21, 951824), (24, 832846), (28, 713868), (31, 644784), (38, 526008), (42, 475912), (48, 416423), (56, 356934), (57, 350672), (62, 322392), (76, 263004), (84, 237956), (93, 214928), (101, 197904), (112, 178467), (114, 175336), (124, 161196), (133, 150288), (152, 131502), (168, 118978), (186, 107464), (202, 98952), (217, 92112), (228, 87668), (248, 80598), (266, 75144), (303, 65968), (304, 65751), (336, 59489), (372, 53732), (399, 50096), (404, 49476), (434, 46056), (456, 43834), (496, 40299), (532, 37572), (589, 33936), (606, 32984), (651, 30704), (707, 28272), (744, 26866), (798, 25048), (808, 24738), (868, 23028), (912, 21917), (1064, 18786), (1178, 16968), (1212, 16492), (1302, 15352), (1414, 14136), (1488, 13433), (1596, 12524), (1616, 12369), (1736, 11514), (1767, 11312), (1919, 10416), (2121, 9424), (2128, 9393), (2356, 8484), (2424, 8246), (2604, 7676), (2828, 7068), (3131, 6384), (3192, 6262), (3472, 5757), (3534, 5656), (3838, 5208), (4123, 4848), (4242, 4712)]