19942472

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 23603128

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 59, 88, 92, 118, 167, 184, 236, 253, 334, 472, 506, 649, 668, 1012, 1298, 1336, 1357, 1837, 2024, 2596, 2714, 3674, 3841, 5192, 5428, 7348, 7682, 9853, 10856, 14696, 14927, 15364, 19706, 29854, 30728, 39412, 42251, 59708, 78824, 84502, 108383, 119416, 169004, 216766, 226619, 338008, 433532, 453238, 867064, 906476, 1812952, 2492809, 4985618, 9971236, 19942472]

約数ペア:

[(1, 19942472), (2, 9971236), (4, 4985618), (8, 2492809), (11, 1812952), (22, 906476), (23, 867064), (44, 453238), (46, 433532), (59, 338008), (88, 226619), (92, 216766), (118, 169004), (167, 119416), (184, 108383), (236, 84502), (253, 78824), (334, 59708), (472, 42251), (506, 39412), (649, 30728), (668, 29854), (1012, 19706), (1298, 15364), (1336, 14927), (1357, 14696), (1837, 10856), (2024, 9853), (2596, 7682), (2714, 7348), (3674, 5428), (3841, 5192)]