19472750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 40727232

約数和(自身を除く): 21254482

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 73, 97, 110, 125, 146, 194, 250, 275, 365, 485, 550, 730, 803, 970, 1067, 1375, 1606, 1825, 2134, 2425, 2750, 3650, 4015, 4850, 5335, 7081, 8030, 9125, 10670, 12125, 14162, 18250, 20075, 24250, 26675, 35405, 40150, 53350, 70810, 77891, 100375, 133375, 155782, 177025, 200750, 266750, 354050, 389455, 778910, 885125, 1770250, 1947275, 3894550, 9736375, 19472750]

約数ペア:

[(1, 19472750), (2, 9736375), (5, 3894550), (10, 1947275), (11, 1770250), (22, 885125), (25, 778910), (50, 389455), (55, 354050), (73, 266750), (97, 200750), (110, 177025), (125, 155782), (146, 133375), (194, 100375), (250, 77891), (275, 70810), (365, 53350), (485, 40150), (550, 35405), (730, 26675), (803, 24250), (970, 20075), (1067, 18250), (1375, 14162), (1606, 12125), (1825, 10670), (2134, 9125), (2425, 8030), (2750, 7081), (3650, 5335), (4015, 4850)]