19919682

素因数分解:

$2^1\times 3^5\times {\mathrm{17}}^1\times {\mathrm{2411}}^1$

素因数の和:2445

約数の個数: 48

約数和(自身を含む): 47410272

約数和(自身を除く): 27490590

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 243, 306, 459, 486, 918, 1377, 2411, 2754, 4131, 4822, 7233, 8262, 14466, 21699, 40987, 43398, 65097, 81974, 122961, 130194, 195291, 245922, 368883, 390582, 585873, 737766, 1106649, 1171746, 2213298, 3319947, 6639894, 9959841, 19919682]

約数ペア:

[(1, 19919682), (2, 9959841), (3, 6639894), (6, 3319947), (9, 2213298), (17, 1171746), (18, 1106649), (27, 737766), (34, 585873), (51, 390582), (54, 368883), (81, 245922), (102, 195291), (153, 130194), (162, 122961), (243, 81974), (306, 65097), (459, 43398), (486, 40987), (918, 21699), (1377, 14466), (2411, 8262), (2754, 7233), (4131, 4822)]