20180156374

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{61487}}^1$

素因数の和:61717

約数の個数: 48

約数和(自身を含む): 37473492672

約数和(自身を除く): 17293336298

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 197, 238, 394, 833, 1379, 1666, 2758, 3349, 6698, 9653, 19306, 23443, 46886, 61487, 122974, 164101, 328202, 430409, 860818, 1045279, 2090558, 3012863, 6025726, 7316953, 12112939, 14633906, 24225878, 51218671, 84790573, 102437342, 169581146, 205919963, 411839926, 593534011, 1187068022, 1441439741, 2882879482, 10090078187, 20180156374]

約数ペア:

[(1, 20180156374), (2, 10090078187), (7, 2882879482), (14, 1441439741), (17, 1187068022), (34, 593534011), (49, 411839926), (98, 205919963), (119, 169581146), (197, 102437342), (238, 84790573), (394, 51218671), (833, 24225878), (1379, 14633906), (1666, 12112939), (2758, 7316953), (3349, 6025726), (6698, 3012863), (9653, 2090558), (19306, 1045279), (23443, 860818), (46886, 430409), (61487, 328202), (122974, 164101)]