19972656

素因数分解:

$2^4\times 3^5\times {\mathrm{11}}^1\times {\mathrm{467}}^1$

素因数の和:501

約数の個数: 120

約数和(自身を含む): 63370944

約数和(自身を除く): 43398288

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, 467, 486, 528, 594, 648, 792, 891, 934, 972, 1188, 1296, 1401, 1584, 1782, 1868, 1944, 2376, 2673, 2802, 3564, 3736, 3888, 4203, 4752, 5137, 5346, 5604, 7128, 7472, 8406, 10274, 10692, 11208, 12609, 14256, 15411, 16812, 20548, 21384, 22416, 25218, 30822, 33624, 37827, 41096, 42768, 46233, 50436, 61644, 67248, 75654, 82192, 92466, 100872, 113481, 123288, 138699, 151308, 184932, 201744, 226962, 246576, 277398, 302616, 369864, 416097, 453924, 554796, 605232, 739728, 832194, 907848, 1109592, 1248291, 1664388, 1815696, 2219184, 2496582, 3328776, 4993164, 6657552, 9986328, 19972656]

約数ペア:

[(1, 19972656), (2, 9986328), (3, 6657552), (4, 4993164), (6, 3328776), (8, 2496582), (9, 2219184), (11, 1815696), (12, 1664388), (16, 1248291), (18, 1109592), (22, 907848), (24, 832194), (27, 739728), (33, 605232), (36, 554796), (44, 453924), (48, 416097), (54, 369864), (66, 302616), (72, 277398), (81, 246576), (88, 226962), (99, 201744), (108, 184932), (132, 151308), (144, 138699), (162, 123288), (176, 113481), (198, 100872), (216, 92466), (243, 82192), (264, 75654), (297, 67248), (324, 61644), (396, 50436), (432, 46233), (467, 42768), (486, 41096), (528, 37827), (594, 33624), (648, 30822), (792, 25218), (891, 22416), (934, 21384), (972, 20548), (1188, 16812), (1296, 15411), (1401, 14256), (1584, 12609), (1782, 11208), (1868, 10692), (1944, 10274), (2376, 8406), (2673, 7472), (2802, 7128), (3564, 5604), (3736, 5346), (3888, 5137), (4203, 4752)]