19645574

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 33929280

約数和(自身を除く): 14283706

約数列:

[1, 2, 13, 17, 26, 34, 169, 221, 263, 338, 442, 526, 2197, 2873, 3419, 4394, 4471, 5746, 6838, 8942, 37349, 44447, 58123, 74698, 88894, 116246, 577811, 755599, 1155622, 1511198, 9822787, 19645574]

約数ペア:

[(1, 19645574), (2, 9822787), (13, 1511198), (17, 1155622), (26, 755599), (34, 577811), (169, 116246), (221, 88894), (263, 74698), (338, 58123), (442, 44447), (526, 37349), (2197, 8942), (2873, 6838), (3419, 5746), (4394, 4471)]