19388621380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57025357}}^1$

素因数の和:57025383

約数の個数: 24

約数和(自身を含む): 43111170648

約数和(自身を除く): 23722549268

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 57025357, 114050714, 228101428, 285126785, 570253570, 969431069, 1140507140, 1938862138, 3877724276, 4847155345, 9694310690, 19388621380]

約数ペア:

[(1, 19388621380), (2, 9694310690), (4, 4847155345), (5, 3877724276), (10, 1938862138), (17, 1140507140), (20, 969431069), (34, 570253570), (68, 285126785), (85, 228101428), (170, 114050714), (340, 57025357)]