19082812

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 40158720

約数和(自身を除く): 21075908

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 71, 116, 142, 203, 284, 331, 406, 497, 662, 812, 994, 1324, 1988, 2059, 2317, 4118, 4634, 8236, 9268, 9599, 14413, 19198, 23501, 28826, 38396, 47002, 57652, 67193, 94004, 134386, 164507, 268772, 329014, 658028, 681529, 1363058, 2726116, 4770703, 9541406, 19082812]

約数ペア:

[(1, 19082812), (2, 9541406), (4, 4770703), (7, 2726116), (14, 1363058), (28, 681529), (29, 658028), (58, 329014), (71, 268772), (116, 164507), (142, 134386), (203, 94004), (284, 67193), (331, 57652), (406, 47002), (497, 38396), (662, 28826), (812, 23501), (994, 19198), (1324, 14413), (1988, 9599), (2059, 9268), (2317, 8236), (4118, 4634)]