19327600

素因数分解:

$2^4\times 5^2\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:458

約数の個数: 60

約数和(自身を含む): 46858360

約数和(自身を除く): 27530760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 211, 229, 400, 422, 458, 844, 916, 1055, 1145, 1688, 1832, 2110, 2290, 3376, 3664, 4220, 4580, 5275, 5725, 8440, 9160, 10550, 11450, 16880, 18320, 21100, 22900, 42200, 45800, 48319, 84400, 91600, 96638, 193276, 241595, 386552, 483190, 773104, 966380, 1207975, 1932760, 2415950, 3865520, 4831900, 9663800, 19327600]

約数ペア:

[(1, 19327600), (2, 9663800), (4, 4831900), (5, 3865520), (8, 2415950), (10, 1932760), (16, 1207975), (20, 966380), (25, 773104), (40, 483190), (50, 386552), (80, 241595), (100, 193276), (200, 96638), (211, 91600), (229, 84400), (400, 48319), (422, 45800), (458, 42200), (844, 22900), (916, 21100), (1055, 18320), (1145, 16880), (1688, 11450), (1832, 10550), (2110, 9160), (2290, 8440), (3376, 5725), (3664, 5275), (4220, 4580)]