19201665

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7951}}^1$

素因数の和:7989

約数の個数: 32

約数和(自身を含む): 36642816

約数和(自身を除く): 17441151

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 7951, 23853, 39755, 55657, 119265, 166971, 182873, 278285, 548619, 834855, 914365, 1280111, 2743095, 3840333, 6400555, 19201665]

約数ペア:

[(1, 19201665), (3, 6400555), (5, 3840333), (7, 2743095), (15, 1280111), (21, 914365), (23, 834855), (35, 548619), (69, 278285), (105, 182873), (115, 166971), (161, 119265), (345, 55657), (483, 39755), (805, 23853), (2415, 7951)]