18769322

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 35804160

約数和(自身を除く): 17034838

約数列:

[1, 2, 11, 13, 22, 26, 29, 31, 58, 62, 73, 143, 146, 286, 319, 341, 377, 403, 638, 682, 754, 803, 806, 899, 949, 1606, 1798, 1898, 2117, 2263, 4147, 4234, 4433, 4526, 8294, 8866, 9889, 10439, 11687, 19778, 20878, 23287, 23374, 24893, 27521, 29419, 46574, 49786, 55042, 58838, 65627, 128557, 131254, 257114, 302731, 323609, 605462, 647218, 721897, 853151, 1443794, 1706302, 9384661, 18769322]

約数ペア:

[(1, 18769322), (2, 9384661), (11, 1706302), (13, 1443794), (22, 853151), (26, 721897), (29, 647218), (31, 605462), (58, 323609), (62, 302731), (73, 257114), (143, 131254), (146, 128557), (286, 65627), (319, 58838), (341, 55042), (377, 49786), (403, 46574), (638, 29419), (682, 27521), (754, 24893), (803, 23374), (806, 23287), (899, 20878), (949, 19778), (1606, 11687), (1798, 10439), (1898, 9889), (2117, 8866), (2263, 8294), (4147, 4526), (4234, 4433)]