15550398

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1109}}^1$

素因数の和:1177

約数の個数: 48

約数和(自身を含む): 36363600

約数和(自身を除く): 20813202

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 41, 57, 82, 114, 123, 171, 246, 342, 369, 738, 779, 1109, 1558, 2218, 2337, 3327, 4674, 6654, 7011, 9981, 14022, 19962, 21071, 42142, 45469, 63213, 90938, 126426, 136407, 189639, 272814, 379278, 409221, 818442, 863911, 1727822, 2591733, 5183466, 7775199, 15550398]

約数ペア:

[(1, 15550398), (2, 7775199), (3, 5183466), (6, 2591733), (9, 1727822), (18, 863911), (19, 818442), (38, 409221), (41, 379278), (57, 272814), (82, 189639), (114, 136407), (123, 126426), (171, 90938), (246, 63213), (342, 45469), (369, 42142), (738, 21071), (779, 19962), (1109, 14022), (1558, 9981), (2218, 7011), (2337, 6654), (3327, 4674)]