18804524908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^2\times {\mathrm{863}}^1$

素因数の和:1211

約数の個数: 72

約数和(自身を含む): 37808249472

約数和(自身を除く): 19003724564

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 157, 221, 314, 442, 628, 863, 884, 1726, 2041, 2669, 3452, 4082, 5338, 8164, 10676, 11219, 14671, 22438, 24649, 29342, 34697, 44876, 49298, 58684, 69394, 98596, 135491, 138788, 190723, 270982, 320437, 381446, 419033, 541964, 640874, 762892, 838066, 1281748, 1676132, 1761383, 2303347, 3522766, 4606694, 5447429, 7045532, 9213388, 10894858, 21272087, 21789716, 29943511, 42544174, 59887022, 85088348, 119774044, 276537131, 361625479, 553074262, 723250958, 1106148524, 1446501916, 4701131227, 9402262454, 18804524908]

約数ペア:

[(1, 18804524908), (2, 9402262454), (4, 4701131227), (13, 1446501916), (17, 1106148524), (26, 723250958), (34, 553074262), (52, 361625479), (68, 276537131), (157, 119774044), (221, 85088348), (314, 59887022), (442, 42544174), (628, 29943511), (863, 21789716), (884, 21272087), (1726, 10894858), (2041, 9213388), (2669, 7045532), (3452, 5447429), (4082, 4606694), (5338, 3522766), (8164, 2303347), (10676, 1761383), (11219, 1676132), (14671, 1281748), (22438, 838066), (24649, 762892), (29342, 640874), (34697, 541964), (44876, 419033), (49298, 381446), (58684, 320437), (69394, 270982), (98596, 190723), (135491, 138788)]