18558608

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 40711680

約数和(自身を除く): 22153072

約数列:

[1, 2, 4, 8, 16, 23, 29, 37, 46, 47, 58, 74, 92, 94, 116, 148, 184, 188, 232, 296, 368, 376, 464, 592, 667, 752, 851, 1073, 1081, 1334, 1363, 1702, 1739, 2146, 2162, 2668, 2726, 3404, 3478, 4292, 4324, 5336, 5452, 6808, 6956, 8584, 8648, 10672, 10904, 13616, 13912, 17168, 17296, 21808, 24679, 27824, 31349, 39997, 49358, 50431, 62698, 79994, 98716, 100862, 125396, 159988, 197432, 201724, 250792, 319976, 394864, 403448, 501584, 639952, 806896, 1159913, 2319826, 4639652, 9279304, 18558608]

約数ペア:

[(1, 18558608), (2, 9279304), (4, 4639652), (8, 2319826), (16, 1159913), (23, 806896), (29, 639952), (37, 501584), (46, 403448), (47, 394864), (58, 319976), (74, 250792), (92, 201724), (94, 197432), (116, 159988), (148, 125396), (184, 100862), (188, 98716), (232, 79994), (296, 62698), (368, 50431), (376, 49358), (464, 39997), (592, 31349), (667, 27824), (752, 24679), (851, 21808), (1073, 17296), (1081, 17168), (1334, 13912), (1363, 13616), (1702, 10904), (1739, 10672), (2146, 8648), (2162, 8584), (2668, 6956), (2726, 6808), (3404, 5452), (3478, 5336), (4292, 4324)]