19878591180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{372677}}^1$

素因数の和:372823

約数の個数: 96

約数和(自身を含む): 64112541696

約数和(自身を除く): 44233950516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 127, 140, 210, 254, 381, 420, 508, 635, 762, 889, 1270, 1524, 1778, 1905, 2540, 2667, 3556, 3810, 4445, 5334, 7620, 8890, 10668, 13335, 17780, 26670, 53340, 372677, 745354, 1118031, 1490708, 1863385, 2236062, 2608739, 3726770, 4472124, 5217478, 5590155, 7453540, 7826217, 10434956, 11180310, 13043695, 15652434, 22360620, 26087390, 31304868, 39131085, 47329979, 52174780, 78262170, 94659958, 141989937, 156524340, 189319916, 236649895, 283979874, 331309853, 473299790, 567959748, 662619706, 709949685, 946599580, 993929559, 1325239412, 1419899370, 1656549265, 1987859118, 2839798740, 3313098530, 3975718236, 4969647795, 6626197060, 9939295590, 19878591180]

約数ペア:

[(1, 19878591180), (2, 9939295590), (3, 6626197060), (4, 4969647795), (5, 3975718236), (6, 3313098530), (7, 2839798740), (10, 1987859118), (12, 1656549265), (14, 1419899370), (15, 1325239412), (20, 993929559), (21, 946599580), (28, 709949685), (30, 662619706), (35, 567959748), (42, 473299790), (60, 331309853), (70, 283979874), (84, 236649895), (105, 189319916), (127, 156524340), (140, 141989937), (210, 94659958), (254, 78262170), (381, 52174780), (420, 47329979), (508, 39131085), (635, 31304868), (762, 26087390), (889, 22360620), (1270, 15652434), (1524, 13043695), (1778, 11180310), (1905, 10434956), (2540, 7826217), (2667, 7453540), (3556, 5590155), (3810, 5217478), (4445, 4472124), (5334, 3726770), (7620, 2608739), (8890, 2236062), (10668, 1863385), (13335, 1490708), (17780, 1118031), (26670, 745354), (53340, 372677)]