20194440012

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{891823}}^1$

素因数の和:891887

約数の個数: 72

約数和(自身を含む): 55510693056

約数和(自身を除く): 35316253044

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 37, 51, 68, 74, 102, 111, 148, 153, 204, 222, 306, 333, 444, 612, 629, 666, 1258, 1332, 1887, 2516, 3774, 5661, 7548, 11322, 22644, 891823, 1783646, 2675469, 3567292, 5350938, 8026407, 10701876, 15160991, 16052814, 30321982, 32105628, 32997451, 45482973, 60643964, 65994902, 90965946, 98992353, 131989804, 136448919, 181931892, 197984706, 272897838, 296977059, 395969412, 545795676, 560956667, 593954118, 1121913334, 1187908236, 1682870001, 2243826668, 3365740002, 5048610003, 6731480004, 10097220006, 20194440012]

約数ペア:

[(1, 20194440012), (2, 10097220006), (3, 6731480004), (4, 5048610003), (6, 3365740002), (9, 2243826668), (12, 1682870001), (17, 1187908236), (18, 1121913334), (34, 593954118), (36, 560956667), (37, 545795676), (51, 395969412), (68, 296977059), (74, 272897838), (102, 197984706), (111, 181931892), (148, 136448919), (153, 131989804), (204, 98992353), (222, 90965946), (306, 65994902), (333, 60643964), (444, 45482973), (612, 32997451), (629, 32105628), (666, 30321982), (1258, 16052814), (1332, 15160991), (1887, 10701876), (2516, 8026407), (3774, 5350938), (5661, 3567292), (7548, 2675469), (11322, 1783646), (22644, 891823)]