19379969284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{78511}}^1$

素因数の和:78676

約数の個数: 48

約数和(自身を含む): 37670685696

約数和(自身を除く): 18290716412

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 101, 188, 202, 404, 611, 1222, 1313, 2444, 2626, 4747, 5252, 9494, 18988, 61711, 78511, 123422, 157022, 246844, 314044, 1020643, 2041286, 3690017, 4082572, 7380034, 7929611, 14760068, 15859222, 31718444, 47970221, 95940442, 103084943, 191880884, 206169886, 372691717, 412339772, 745383434, 1490766868, 4844992321, 9689984642, 19379969284]

約数ペア:

[(1, 19379969284), (2, 9689984642), (4, 4844992321), (13, 1490766868), (26, 745383434), (47, 412339772), (52, 372691717), (94, 206169886), (101, 191880884), (188, 103084943), (202, 95940442), (404, 47970221), (611, 31718444), (1222, 15859222), (1313, 14760068), (2444, 7929611), (2626, 7380034), (4747, 4082572), (5252, 3690017), (9494, 2041286), (18988, 1020643), (61711, 314044), (78511, 246844), (123422, 157022)]