18874352

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:486

約数の個数: 80

約数和(自身を含む): 46282752

約数和(自身を除く): 27408400

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 34, 46, 56, 68, 92, 112, 119, 136, 161, 184, 238, 272, 322, 368, 391, 431, 476, 644, 782, 862, 952, 1288, 1564, 1724, 1904, 2576, 2737, 3017, 3128, 3448, 5474, 6034, 6256, 6896, 7327, 9913, 10948, 12068, 14654, 19826, 21896, 24136, 29308, 39652, 43792, 48272, 51289, 58616, 69391, 79304, 102578, 117232, 138782, 158608, 168521, 205156, 277564, 337042, 410312, 555128, 674084, 820624, 1110256, 1179647, 1348168, 2359294, 2696336, 4718588, 9437176, 18874352]

約数ペア:

[(1, 18874352), (2, 9437176), (4, 4718588), (7, 2696336), (8, 2359294), (14, 1348168), (16, 1179647), (17, 1110256), (23, 820624), (28, 674084), (34, 555128), (46, 410312), (56, 337042), (68, 277564), (92, 205156), (112, 168521), (119, 158608), (136, 138782), (161, 117232), (184, 102578), (238, 79304), (272, 69391), (322, 58616), (368, 51289), (391, 48272), (431, 43792), (476, 39652), (644, 29308), (782, 24136), (862, 21896), (952, 19826), (1288, 14654), (1564, 12068), (1724, 10948), (1904, 9913), (2576, 7327), (2737, 6896), (3017, 6256), (3128, 6034), (3448, 5474)]