19929195

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 42981120

約数和(自身を除く): 23051925

約数列:

[1, 3, 5, 9, 11, 13, 15, 19, 33, 39, 45, 55, 57, 65, 95, 99, 117, 143, 163, 165, 171, 195, 209, 247, 285, 429, 489, 495, 585, 627, 715, 741, 815, 855, 1045, 1235, 1287, 1467, 1793, 1881, 2119, 2145, 2223, 2445, 2717, 3097, 3135, 3705, 5379, 6357, 6435, 7335, 8151, 8965, 9291, 9405, 10595, 11115, 13585, 15485, 16137, 19071, 23309, 24453, 26895, 27873, 31785, 34067, 40261, 40755, 46455, 69927, 80685, 95355, 102201, 116545, 120783, 122265, 139365, 170335, 201305, 209781, 306603, 349635, 362349, 442871, 511005, 603915, 1048905, 1328613, 1533015, 1811745, 2214355, 3985839, 6643065, 19929195]

約数ペア:

[(1, 19929195), (3, 6643065), (5, 3985839), (9, 2214355), (11, 1811745), (13, 1533015), (15, 1328613), (19, 1048905), (33, 603915), (39, 511005), (45, 442871), (55, 362349), (57, 349635), (65, 306603), (95, 209781), (99, 201305), (117, 170335), (143, 139365), (163, 122265), (165, 120783), (171, 116545), (195, 102201), (209, 95355), (247, 80685), (285, 69927), (429, 46455), (489, 40755), (495, 40261), (585, 34067), (627, 31785), (715, 27873), (741, 26895), (815, 24453), (855, 23309), (1045, 19071), (1235, 16137), (1287, 15485), (1467, 13585), (1793, 11115), (1881, 10595), (2119, 9405), (2145, 9291), (2223, 8965), (2445, 8151), (2717, 7335), (3097, 6435), (3135, 6357), (3705, 5379)]