19801584

素因数分解:

$2^4\times 3^5\times {\mathrm{11}}^1\times {\mathrm{463}}^1$

素因数の和:497

約数の個数: 120

約数和(自身を含む): 62829312

約数和(自身を除く): 43027728

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 81, 88, 99, 108, 132, 144, 162, 176, 198, 216, 243, 264, 297, 324, 396, 432, 463, 486, 528, 594, 648, 792, 891, 926, 972, 1188, 1296, 1389, 1584, 1782, 1852, 1944, 2376, 2673, 2778, 3564, 3704, 3888, 4167, 4752, 5093, 5346, 5556, 7128, 7408, 8334, 10186, 10692, 11112, 12501, 14256, 15279, 16668, 20372, 21384, 22224, 25002, 30558, 33336, 37503, 40744, 42768, 45837, 50004, 61116, 66672, 75006, 81488, 91674, 100008, 112509, 122232, 137511, 150012, 183348, 200016, 225018, 244464, 275022, 300024, 366696, 412533, 450036, 550044, 600048, 733392, 825066, 900072, 1100088, 1237599, 1650132, 1800144, 2200176, 2475198, 3300264, 4950396, 6600528, 9900792, 19801584]

約数ペア:

[(1, 19801584), (2, 9900792), (3, 6600528), (4, 4950396), (6, 3300264), (8, 2475198), (9, 2200176), (11, 1800144), (12, 1650132), (16, 1237599), (18, 1100088), (22, 900072), (24, 825066), (27, 733392), (33, 600048), (36, 550044), (44, 450036), (48, 412533), (54, 366696), (66, 300024), (72, 275022), (81, 244464), (88, 225018), (99, 200016), (108, 183348), (132, 150012), (144, 137511), (162, 122232), (176, 112509), (198, 100008), (216, 91674), (243, 81488), (264, 75006), (297, 66672), (324, 61116), (396, 50004), (432, 45837), (463, 42768), (486, 40744), (528, 37503), (594, 33336), (648, 30558), (792, 25002), (891, 22224), (926, 21384), (972, 20372), (1188, 16668), (1296, 15279), (1389, 14256), (1584, 12501), (1782, 11112), (1852, 10692), (1944, 10186), (2376, 8334), (2673, 7408), (2778, 7128), (3564, 5556), (3704, 5346), (3888, 5093), (4167, 4752)]