20189096950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{18757}}^1$

素因数の和:18902

約数の個数: 96

約数和(自身を含む): 43542570240

約数和(自身を除く): 23353473290

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 103, 110, 190, 206, 209, 275, 418, 475, 515, 550, 950, 1030, 1045, 1133, 1957, 2090, 2266, 2575, 3914, 5150, 5225, 5665, 9785, 10450, 11330, 18757, 19570, 21527, 28325, 37514, 43054, 48925, 56650, 93785, 97850, 107635, 187570, 206327, 215270, 356383, 412654, 468925, 538175, 712766, 937850, 1031635, 1076350, 1781915, 1931971, 2063270, 3563830, 3863942, 3920213, 5158175, 7840426, 8909575, 9659855, 10316350, 17819150, 19319710, 19601065, 21251681, 36707449, 39202130, 42503362, 48299275, 73414898, 96598550, 98005325, 106258405, 183537245, 196010650, 212516810, 367074490, 403781939, 531292025, 807563878, 917686225, 1062584050, 1835372450, 2018909695, 4037819390, 10094548475, 20189096950]

約数ペア:

[(1, 20189096950), (2, 10094548475), (5, 4037819390), (10, 2018909695), (11, 1835372450), (19, 1062584050), (22, 917686225), (25, 807563878), (38, 531292025), (50, 403781939), (55, 367074490), (95, 212516810), (103, 196010650), (110, 183537245), (190, 106258405), (206, 98005325), (209, 96598550), (275, 73414898), (418, 48299275), (475, 42503362), (515, 39202130), (550, 36707449), (950, 21251681), (1030, 19601065), (1045, 19319710), (1133, 17819150), (1957, 10316350), (2090, 9659855), (2266, 8909575), (2575, 7840426), (3914, 5158175), (5150, 3920213), (5225, 3863942), (5665, 3563830), (9785, 2063270), (10450, 1931971), (11330, 1781915), (18757, 1076350), (19570, 1031635), (21527, 937850), (28325, 712766), (37514, 538175), (43054, 468925), (48925, 412654), (56650, 356383), (93785, 215270), (97850, 206327), (107635, 187570)]