19914903946

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1\times {\mathrm{3643}}^1$

素因数の和:3995

約数の個数: 64

約数和(自身を含む): 36672749568

約数和(自身を除く): 16757845622

約数列:

[1, 2, 7, 14, 17, 34, 103, 119, 206, 223, 238, 446, 721, 1442, 1561, 1751, 3122, 3502, 3643, 3791, 7286, 7582, 12257, 22969, 24514, 25501, 26537, 45938, 51002, 53074, 61931, 123862, 160783, 321566, 375229, 390473, 433517, 750458, 780946, 812389, 867034, 1624778, 2626603, 2733311, 5253206, 5466622, 5686723, 6378893, 11373446, 12757786, 13810613, 27621226, 44652251, 83676067, 89304502, 96674291, 167352134, 193348582, 585732469, 1171464938, 1422493139, 2844986278, 9957451973, 19914903946]

約数ペア:

[(1, 19914903946), (2, 9957451973), (7, 2844986278), (14, 1422493139), (17, 1171464938), (34, 585732469), (103, 193348582), (119, 167352134), (206, 96674291), (223, 89304502), (238, 83676067), (446, 44652251), (721, 27621226), (1442, 13810613), (1561, 12757786), (1751, 11373446), (3122, 6378893), (3502, 5686723), (3643, 5466622), (3791, 5253206), (7286, 2733311), (7582, 2626603), (12257, 1624778), (22969, 867034), (24514, 812389), (25501, 780946), (26537, 750458), (45938, 433517), (51002, 390473), (53074, 375229), (61931, 321566), (123862, 160783)]