19724570

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{449}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 17600230

約数列:

[1, 2, 5, 10, 23, 46, 115, 191, 230, 382, 449, 898, 955, 1910, 2245, 4393, 4490, 8786, 10327, 20654, 21965, 43930, 51635, 85759, 103270, 171518, 428795, 857590, 1972457, 3944914, 9862285, 19724570]

約数ペア:

[(1, 19724570), (2, 9862285), (5, 3944914), (10, 1972457), (23, 857590), (46, 428795), (115, 171518), (191, 103270), (230, 85759), (382, 51635), (449, 43930), (898, 21965), (955, 20654), (1910, 10327), (2245, 8786), (4393, 4490)]