19029830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2131}}^1$

素因数の和:2204

約数の個数: 32

約数和(自身を含む): 36840960

約数和(自身を除く): 17811130

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 2131, 4262, 4465, 8930, 10655, 21310, 40489, 80978, 100157, 200314, 202445, 404890, 500785, 1001570, 1902983, 3805966, 9514915, 19029830]

約数ペア:

[(1, 19029830), (2, 9514915), (5, 3805966), (10, 1902983), (19, 1001570), (38, 500785), (47, 404890), (94, 202445), (95, 200314), (190, 100157), (235, 80978), (470, 40489), (893, 21310), (1786, 10655), (2131, 8930), (4262, 4465)]