19235720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{68699}}^1$

素因数の和:68717

約数の個数: 32

約数和(自身を含む): 49464000

約数和(自身を除く): 30228280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 68699, 137398, 274796, 343495, 480893, 549592, 686990, 961786, 1373980, 1923572, 2404465, 2747960, 3847144, 4808930, 9617860, 19235720]

約数ペア:

[(1, 19235720), (2, 9617860), (4, 4808930), (5, 3847144), (7, 2747960), (8, 2404465), (10, 1923572), (14, 1373980), (20, 961786), (28, 686990), (35, 549592), (40, 480893), (56, 343495), (70, 274796), (140, 137398), (280, 68699)]