18727550

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 36640512

約数和(自身を除く): 17912962

約数列:

[1, 2, 5, 10, 25, 37, 50, 53, 74, 106, 185, 191, 265, 370, 382, 530, 925, 955, 1325, 1850, 1910, 1961, 2650, 3922, 4775, 7067, 9550, 9805, 10123, 14134, 19610, 20246, 35335, 49025, 50615, 70670, 98050, 101230, 176675, 253075, 353350, 374551, 506150, 749102, 1872755, 3745510, 9363775, 18727550]

約数ペア:

[(1, 18727550), (2, 9363775), (5, 3745510), (10, 1872755), (25, 749102), (37, 506150), (50, 374551), (53, 353350), (74, 253075), (106, 176675), (185, 101230), (191, 98050), (265, 70670), (370, 50615), (382, 49025), (530, 35335), (925, 20246), (955, 19610), (1325, 14134), (1850, 10123), (1910, 9805), (1961, 9550), (2650, 7067), (3922, 4775)]