18213884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 36418368

約数和(自身を除く): 18204484

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 97, 157, 194, 299, 314, 388, 598, 628, 1196, 1261, 2041, 2231, 2522, 3611, 4082, 4462, 5044, 7222, 8164, 8924, 14444, 15229, 29003, 30458, 46943, 58006, 60916, 93886, 116012, 187772, 197977, 350267, 395954, 700534, 791908, 1401068, 4553471, 9106942, 18213884]

約数ペア:

[(1, 18213884), (2, 9106942), (4, 4553471), (13, 1401068), (23, 791908), (26, 700534), (46, 395954), (52, 350267), (92, 197977), (97, 187772), (157, 116012), (194, 93886), (299, 60916), (314, 58006), (388, 46943), (598, 30458), (628, 29003), (1196, 15229), (1261, 14444), (2041, 8924), (2231, 8164), (2522, 7222), (3611, 5044), (4082, 4462)]