18777836

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1487}}^1$

素因数の和:1550

約数の個数: 48

約数和(自身を含む): 41997312

約数和(自身を除く): 23219476

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 154, 164, 287, 308, 451, 574, 902, 1148, 1487, 1804, 2974, 3157, 5948, 6314, 10409, 12628, 16357, 20818, 32714, 41636, 60967, 65428, 114499, 121934, 228998, 243868, 426769, 457996, 670637, 853538, 1341274, 1707076, 2682548, 4694459, 9388918, 18777836]

約数ペア:

[(1, 18777836), (2, 9388918), (4, 4694459), (7, 2682548), (11, 1707076), (14, 1341274), (22, 853538), (28, 670637), (41, 457996), (44, 426769), (77, 243868), (82, 228998), (154, 121934), (164, 114499), (287, 65428), (308, 60967), (451, 41636), (574, 32714), (902, 20818), (1148, 16357), (1487, 12628), (1804, 10409), (2974, 6314), (3157, 5948)]