18181100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1367}}^1$

素因数の和:1407

約数の個数: 72

約数和(自身を含む): 47496960

約数和(自身を除く): 29315860

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 380, 475, 532, 665, 700, 950, 1330, 1367, 1900, 2660, 2734, 3325, 5468, 6650, 6835, 9569, 13300, 13670, 19138, 25973, 27340, 34175, 38276, 47845, 51946, 68350, 95690, 103892, 129865, 136700, 181811, 191380, 239225, 259730, 363622, 478450, 519460, 649325, 727244, 909055, 956900, 1298650, 1818110, 2597300, 3636220, 4545275, 9090550, 18181100]

約数ペア:

[(1, 18181100), (2, 9090550), (4, 4545275), (5, 3636220), (7, 2597300), (10, 1818110), (14, 1298650), (19, 956900), (20, 909055), (25, 727244), (28, 649325), (35, 519460), (38, 478450), (50, 363622), (70, 259730), (76, 239225), (95, 191380), (100, 181811), (133, 136700), (140, 129865), (175, 103892), (190, 95690), (266, 68350), (350, 51946), (380, 47845), (475, 38276), (532, 34175), (665, 27340), (700, 25973), (950, 19138), (1330, 13670), (1367, 13300), (1900, 9569), (2660, 6835), (2734, 6650), (3325, 5468)]