19251940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1747}}^1$

素因数の和:1804

約数の個数: 48

約数和(自身を含む): 44049600

約数和(自身を除く): 24797660

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 1747, 2204, 2755, 3494, 5510, 6988, 8735, 11020, 17470, 33193, 34940, 50663, 66386, 101326, 132772, 165965, 202652, 253315, 331930, 506630, 663860, 962597, 1013260, 1925194, 3850388, 4812985, 9625970, 19251940]

約数ペア:

[(1, 19251940), (2, 9625970), (4, 4812985), (5, 3850388), (10, 1925194), (19, 1013260), (20, 962597), (29, 663860), (38, 506630), (58, 331930), (76, 253315), (95, 202652), (116, 165965), (145, 132772), (190, 101326), (290, 66386), (380, 50663), (551, 34940), (580, 33193), (1102, 17470), (1747, 11020), (2204, 8735), (2755, 6988), (3494, 5510)]