19994176

素因数分解:

$2^6\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:116

約数の個数: 84

約数和(自身を含む): 44915328

約数和(自身を除く): 24921152

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 47, 64, 68, 92, 94, 136, 184, 188, 272, 289, 368, 376, 391, 544, 578, 736, 752, 782, 799, 1081, 1088, 1156, 1472, 1504, 1564, 1598, 2162, 2312, 3008, 3128, 3196, 4324, 4624, 6256, 6392, 6647, 8648, 9248, 12512, 12784, 13294, 13583, 17296, 18377, 18496, 25024, 25568, 26588, 27166, 34592, 36754, 51136, 53176, 54332, 69184, 73508, 106352, 108664, 147016, 212704, 217328, 294032, 312409, 425408, 434656, 588064, 624818, 869312, 1176128, 1249636, 2499272, 4998544, 9997088, 19994176]

約数ペア:

[(1, 19994176), (2, 9997088), (4, 4998544), (8, 2499272), (16, 1249636), (17, 1176128), (23, 869312), (32, 624818), (34, 588064), (46, 434656), (47, 425408), (64, 312409), (68, 294032), (92, 217328), (94, 212704), (136, 147016), (184, 108664), (188, 106352), (272, 73508), (289, 69184), (368, 54332), (376, 53176), (391, 51136), (544, 36754), (578, 34592), (736, 27166), (752, 26588), (782, 25568), (799, 25024), (1081, 18496), (1088, 18377), (1156, 17296), (1472, 13583), (1504, 13294), (1564, 12784), (1598, 12512), (2162, 9248), (2312, 8648), (3008, 6647), (3128, 6392), (3196, 6256), (4324, 4624)]