19996245885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{5927}}^1$

素因数の和:6103

約数の個数: 128

約数和(自身を含む): 41957720064

約数和(自身を除く): 21961474179

約数列:

[1, 3, 5, 7, 11, 15, 21, 23, 33, 35, 55, 69, 77, 105, 115, 127, 161, 165, 231, 253, 345, 381, 385, 483, 635, 759, 805, 889, 1155, 1265, 1397, 1771, 1905, 2415, 2667, 2921, 3795, 4191, 4445, 5313, 5927, 6985, 8763, 8855, 9779, 13335, 14605, 17781, 20447, 20955, 26565, 29337, 29635, 32131, 41489, 43815, 48895, 61341, 65197, 88905, 96393, 102235, 124467, 136321, 146685, 160655, 195591, 207445, 224917, 306705, 325985, 408963, 456379, 481965, 622335, 674751, 681605, 752729, 954247, 977955, 1124585, 1369137, 1499531, 2044815, 2258187, 2281895, 2862741, 3373755, 3763645, 4498593, 4771235, 5269103, 6845685, 7497655, 8280019, 10496717, 11290935, 14313705, 15807309, 17312767, 22492965, 24840057, 26345515, 31490151, 41400095, 51938301, 52483585, 57960133, 79036545, 86563835, 121189369, 124200285, 157450755, 173880399, 190440437, 259691505, 289800665, 363568107, 571321311, 605946845, 869401995, 952202185, 1333083059, 1817840535, 2856606555, 3999249177, 6665415295, 19996245885]

約数ペア:

[(1, 19996245885), (3, 6665415295), (5, 3999249177), (7, 2856606555), (11, 1817840535), (15, 1333083059), (21, 952202185), (23, 869401995), (33, 605946845), (35, 571321311), (55, 363568107), (69, 289800665), (77, 259691505), (105, 190440437), (115, 173880399), (127, 157450755), (161, 124200285), (165, 121189369), (231, 86563835), (253, 79036545), (345, 57960133), (381, 52483585), (385, 51938301), (483, 41400095), (635, 31490151), (759, 26345515), (805, 24840057), (889, 22492965), (1155, 17312767), (1265, 15807309), (1397, 14313705), (1771, 11290935), (1905, 10496717), (2415, 8280019), (2667, 7497655), (2921, 6845685), (3795, 5269103), (4191, 4771235), (4445, 4498593), (5313, 3763645), (5927, 3373755), (6985, 2862741), (8763, 2281895), (8855, 2258187), (9779, 2044815), (13335, 1499531), (14605, 1369137), (17781, 1124585), (20447, 977955), (20955, 954247), (26565, 752729), (29337, 681605), (29635, 674751), (32131, 622335), (41489, 481965), (43815, 456379), (48895, 408963), (61341, 325985), (65197, 306705), (88905, 224917), (96393, 207445), (102235, 195591), (124467, 160655), (136321, 146685)]