18916476

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{509}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 46838400

約数和(自身を除く): 27921924

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 163, 228, 326, 489, 509, 652, 978, 1018, 1527, 1956, 2036, 3054, 3097, 6108, 6194, 9291, 9671, 12388, 18582, 19342, 29013, 37164, 38684, 58026, 82967, 116052, 165934, 248901, 331868, 497802, 995604, 1576373, 3152746, 4729119, 6305492, 9458238, 18916476]

約数ペア:

[(1, 18916476), (2, 9458238), (3, 6305492), (4, 4729119), (6, 3152746), (12, 1576373), (19, 995604), (38, 497802), (57, 331868), (76, 248901), (114, 165934), (163, 116052), (228, 82967), (326, 58026), (489, 38684), (509, 37164), (652, 29013), (978, 19342), (1018, 18582), (1527, 12388), (1956, 9671), (2036, 9291), (3054, 6194), (3097, 6108)]