19911675

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 41997312

約数和(自身を除く): 22085637

約数列:

[1, 3, 5, 7, 15, 17, 21, 23, 25, 35, 51, 69, 75, 85, 97, 105, 115, 119, 161, 175, 255, 291, 345, 357, 391, 425, 483, 485, 525, 575, 595, 679, 805, 1173, 1275, 1455, 1649, 1725, 1785, 1955, 2037, 2231, 2415, 2425, 2737, 2975, 3395, 4025, 4947, 5865, 6693, 7275, 8211, 8245, 8925, 9775, 10185, 11155, 11543, 12075, 13685, 15617, 16975, 24735, 29325, 33465, 34629, 37927, 41055, 41225, 46851, 50925, 55775, 57715, 68425, 78085, 113781, 123675, 167325, 173145, 189635, 205275, 234255, 265489, 288575, 390425, 568905, 796467, 865725, 948175, 1171275, 1327445, 2844525, 3982335, 6637225, 19911675]

約数ペア:

[(1, 19911675), (3, 6637225), (5, 3982335), (7, 2844525), (15, 1327445), (17, 1171275), (21, 948175), (23, 865725), (25, 796467), (35, 568905), (51, 390425), (69, 288575), (75, 265489), (85, 234255), (97, 205275), (105, 189635), (115, 173145), (119, 167325), (161, 123675), (175, 113781), (255, 78085), (291, 68425), (345, 57715), (357, 55775), (391, 50925), (425, 46851), (483, 41225), (485, 41055), (525, 37927), (575, 34629), (595, 33465), (679, 29325), (805, 24735), (1173, 16975), (1275, 15617), (1455, 13685), (1649, 12075), (1725, 11543), (1785, 11155), (1955, 10185), (2037, 9775), (2231, 8925), (2415, 8245), (2425, 8211), (2737, 7275), (2975, 6693), (3395, 5865), (4025, 4947)]