16940988

素因数分解:

$2^2\times 3^5\times {\mathrm{29}}^1\times {\mathrm{601}}^1$

素因数の和:649

約数の個数: 72

約数和(自身を含む): 46016880

約数和(自身を除く): 29075892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 81, 87, 108, 116, 162, 174, 243, 261, 324, 348, 486, 522, 601, 783, 972, 1044, 1202, 1566, 1803, 2349, 2404, 3132, 3606, 4698, 5409, 7047, 7212, 9396, 10818, 14094, 16227, 17429, 21636, 28188, 32454, 34858, 48681, 52287, 64908, 69716, 97362, 104574, 146043, 156861, 194724, 209148, 292086, 313722, 470583, 584172, 627444, 941166, 1411749, 1882332, 2823498, 4235247, 5646996, 8470494, 16940988]

約数ペア:

[(1, 16940988), (2, 8470494), (3, 5646996), (4, 4235247), (6, 2823498), (9, 1882332), (12, 1411749), (18, 941166), (27, 627444), (29, 584172), (36, 470583), (54, 313722), (58, 292086), (81, 209148), (87, 194724), (108, 156861), (116, 146043), (162, 104574), (174, 97362), (243, 69716), (261, 64908), (324, 52287), (348, 48681), (486, 34858), (522, 32454), (601, 28188), (783, 21636), (972, 17429), (1044, 16227), (1202, 14094), (1566, 10818), (1803, 9396), (2349, 7212), (2404, 7047), (3132, 5409), (3606, 4698)]