19915696773

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2239}}^1\times {\mathrm{2477}}^1$

素因数の和:4751

約数の個数: 64

約数和(自身を含む): 35524608000

約数和(自身を除く): 15608911227

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 2239, 2477, 3591, 6717, 7431, 15673, 17339, 20151, 22293, 42541, 47019, 47063, 52017, 60453, 66879, 127623, 141057, 141189, 156051, 297787, 329441, 382869, 423171, 423567, 468153, 893361, 988323, 1148607, 1270701, 2680083, 2964969, 5546003, 8040249, 8894907, 16638009, 38822021, 49914027, 105374057, 116466063, 149742081, 316122171, 349398189, 737618399, 948366513, 1048194567, 2212855197, 2845099539, 6638565591, 19915696773]

約数ペア:

[(1, 19915696773), (3, 6638565591), (7, 2845099539), (9, 2212855197), (19, 1048194567), (21, 948366513), (27, 737618399), (57, 349398189), (63, 316122171), (133, 149742081), (171, 116466063), (189, 105374057), (399, 49914027), (513, 38822021), (1197, 16638009), (2239, 8894907), (2477, 8040249), (3591, 5546003), (6717, 2964969), (7431, 2680083), (15673, 1270701), (17339, 1148607), (20151, 988323), (22293, 893361), (42541, 468153), (47019, 423567), (47063, 423171), (52017, 382869), (60453, 329441), (66879, 297787), (127623, 156051), (141057, 141189)]