20191628178

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1081733}}^1$

素因数の和:1081819

約数の個数: 48

約数和(自身を含む): 47081390616

約数和(自身を除く): 26889762438

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 61, 102, 122, 153, 183, 306, 366, 549, 1037, 1098, 2074, 3111, 6222, 9333, 18666, 1081733, 2163466, 3245199, 6490398, 9735597, 18389461, 19471194, 36778922, 55168383, 65985713, 110336766, 131971426, 165505149, 197957139, 331010298, 395914278, 593871417, 1121757121, 1187742834, 2243514242, 3365271363, 6730542726, 10095814089, 20191628178]

約数ペア:

[(1, 20191628178), (2, 10095814089), (3, 6730542726), (6, 3365271363), (9, 2243514242), (17, 1187742834), (18, 1121757121), (34, 593871417), (51, 395914278), (61, 331010298), (102, 197957139), (122, 165505149), (153, 131971426), (183, 110336766), (306, 65985713), (366, 55168383), (549, 36778922), (1037, 19471194), (1098, 18389461), (2074, 9735597), (3111, 6490398), (6222, 3245199), (9333, 2163466), (18666, 1081733)]