18523076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 39844224

約数和(自身を除く): 21321148

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 47, 52, 53, 94, 106, 143, 169, 188, 212, 286, 338, 517, 572, 583, 611, 676, 689, 1034, 1166, 1222, 1378, 1859, 2068, 2332, 2444, 2491, 2756, 3718, 4982, 6721, 7436, 7579, 7943, 8957, 9964, 13442, 15158, 15886, 17914, 26884, 27401, 30316, 31772, 32383, 35828, 54802, 64766, 87373, 98527, 109604, 129532, 174746, 197054, 349492, 356213, 394108, 420979, 712426, 841958, 1424852, 1683916, 4630769, 9261538, 18523076]

約数ペア:

[(1, 18523076), (2, 9261538), (4, 4630769), (11, 1683916), (13, 1424852), (22, 841958), (26, 712426), (44, 420979), (47, 394108), (52, 356213), (53, 349492), (94, 197054), (106, 174746), (143, 129532), (169, 109604), (188, 98527), (212, 87373), (286, 64766), (338, 54802), (517, 35828), (572, 32383), (583, 31772), (611, 30316), (676, 27401), (689, 26884), (1034, 17914), (1166, 15886), (1222, 15158), (1378, 13442), (1859, 9964), (2068, 8957), (2332, 7943), (2444, 7579), (2491, 7436), (2756, 6721), (3718, 4982)]