19132850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:875

約数の個数: 48

約数和(自身を含む): 39774240

約数和(自身を除く): 20641390

約数列:

[1, 2, 5, 10, 11, 22, 25, 43, 50, 55, 86, 110, 215, 275, 430, 473, 550, 809, 946, 1075, 1618, 2150, 2365, 4045, 4730, 8090, 8899, 11825, 17798, 20225, 23650, 34787, 40450, 44495, 69574, 88990, 173935, 222475, 347870, 382657, 444950, 765314, 869675, 1739350, 1913285, 3826570, 9566425, 19132850]

約数ペア:

[(1, 19132850), (2, 9566425), (5, 3826570), (10, 1913285), (11, 1739350), (22, 869675), (25, 765314), (43, 444950), (50, 382657), (55, 347870), (86, 222475), (110, 173935), (215, 88990), (275, 69574), (430, 44495), (473, 40450), (550, 34787), (809, 23650), (946, 20225), (1075, 17798), (1618, 11825), (2150, 8899), (2365, 8090), (4045, 4730)]