19327485

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 32307840

約数和(自身を除く): 12980355

約数列:

[1, 3, 5, 15, 29, 87, 145, 157, 283, 435, 471, 785, 849, 1415, 2355, 4245, 4553, 8207, 13659, 22765, 24621, 41035, 44431, 68295, 123105, 133293, 222155, 666465, 1288499, 3865497, 6442495, 19327485]

約数ペア:

[(1, 19327485), (3, 6442495), (5, 3865497), (15, 1288499), (29, 666465), (87, 222155), (145, 133293), (157, 123105), (283, 68295), (435, 44431), (471, 41035), (785, 24621), (849, 22765), (1415, 13659), (2355, 8207), (4245, 4553)]