18548728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 40007520

約数和(自身を除く): 21458792

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 53, 82, 88, 97, 106, 164, 194, 212, 328, 388, 424, 451, 583, 776, 902, 1067, 1166, 1804, 2134, 2173, 2332, 3608, 3977, 4268, 4346, 4664, 5141, 7954, 8536, 8692, 10282, 15908, 17384, 20564, 23903, 31816, 41128, 43747, 47806, 56551, 87494, 95612, 113102, 174988, 191224, 210781, 226204, 349976, 421562, 452408, 843124, 1686248, 2318591, 4637182, 9274364, 18548728]

約数ペア:

[(1, 18548728), (2, 9274364), (4, 4637182), (8, 2318591), (11, 1686248), (22, 843124), (41, 452408), (44, 421562), (53, 349976), (82, 226204), (88, 210781), (97, 191224), (106, 174988), (164, 113102), (194, 95612), (212, 87494), (328, 56551), (388, 47806), (424, 43747), (451, 41128), (583, 31816), (776, 23903), (902, 20564), (1067, 17384), (1166, 15908), (1804, 10282), (2134, 8692), (2173, 8536), (2332, 7954), (3608, 5141), (3977, 4664), (4268, 4346)]