19449828

素因数分解:

$2^2\times 3^3\times {\mathrm{73}}^1\times {\mathrm{2467}}^1$

素因数の和:2553

約数の個数: 48

約数和(自身を含む): 51136960

約数和(自身を除く): 31687132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 108, 146, 219, 292, 438, 657, 876, 1314, 1971, 2467, 2628, 3942, 4934, 7401, 7884, 9868, 14802, 22203, 29604, 44406, 66609, 88812, 133218, 180091, 266436, 360182, 540273, 720364, 1080546, 1620819, 2161092, 3241638, 4862457, 6483276, 9724914, 19449828]

約数ペア:

[(1, 19449828), (2, 9724914), (3, 6483276), (4, 4862457), (6, 3241638), (9, 2161092), (12, 1620819), (18, 1080546), (27, 720364), (36, 540273), (54, 360182), (73, 266436), (108, 180091), (146, 133218), (219, 88812), (292, 66609), (438, 44406), (657, 29604), (876, 22203), (1314, 14802), (1971, 9868), (2467, 7884), (2628, 7401), (3942, 4934)]