18838352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^2$

素因数の和:156

約数の個数: 60

約数和(自身を含む): 41140596

約数和(自身を除く): 22302244

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 47, 52, 82, 94, 104, 164, 188, 208, 328, 376, 533, 611, 656, 752, 1066, 1222, 1927, 2132, 2209, 2444, 3854, 4264, 4418, 4888, 7708, 8528, 8836, 9776, 15416, 17672, 25051, 28717, 30832, 35344, 50102, 57434, 90569, 100204, 114868, 181138, 200408, 229736, 362276, 400816, 459472, 724552, 1177397, 1449104, 2354794, 4709588, 9419176, 18838352]

約数ペア:

[(1, 18838352), (2, 9419176), (4, 4709588), (8, 2354794), (13, 1449104), (16, 1177397), (26, 724552), (41, 459472), (47, 400816), (52, 362276), (82, 229736), (94, 200408), (104, 181138), (164, 114868), (188, 100204), (208, 90569), (328, 57434), (376, 50102), (533, 35344), (611, 30832), (656, 28717), (752, 25051), (1066, 17672), (1222, 15416), (1927, 9776), (2132, 8836), (2209, 8528), (2444, 7708), (3854, 4888), (4264, 4418)]